The problem quoted isn't one, but there are problems in the reading section that ask you to distinguish relative pronouns from relative adverbs.
The cricket is a good singer who can sing long notes.
I shouldn't have wasted my time.
My computer broke due to the heat.
Clarissa was killed in action.
I have to give the money back to Emily.
Are you the new secretary?
Oscar knows what that is.
Montevideo will be below water when all the polar ice melts.
I eat in the classroom.
I am disappointed that my friends are not here.
Samir became a real estate agent.
There once lived a merchant whose name was Mark, and whom people called 'Mark the Rich.'
Would you please take care of this for me?
No one can imagine what has become of him.
Did Mechael say anything to you about that?
The meeting was just about over.
Would you mind if I look around?
He gave us clothes, and money as well.
They don't need money.
Happy people are those who remember only the good things from the past, while unhappy people are those who remember only the opposite.
Let's get off here.
I've already tried it.
The amoeba is a protozoan.
Sedovic wrote his name on the dust-covered windshield.
Your visit has cheered him.
The first American colonists arrived in the 17th century.
He showed me the way.
He got his girlfriend pregnant.
It's Anna's house.
Look it up.
Who would have dreamed that Wolf would ever graduate?
Do you have much time to spare?
Steve, I heard you were the baby of the family.
How many pictures did you take?
She left the old newspapers lying in a heap.
You're tall, just like your father.
Kaj certainly deserves our respect.
I will advise you on the matter.
We congratulated him on passing the examinations.
How was your test?
I'm only doing my duty.
Occasional showers are possible tomorrow.
Just be careful what you tell Sanford.
At first, I thought I was sick.
About two weeks.
Each country has its own customs.
Roderick won't let them in.
Gene has an identical twin brother and few people can tell them apart.
He moved to Germany.
Dwayne has never been to a circus.
Christopher Columbus's secret love letters to Queen Isabella - undiscovered for centuries - have been rumored to rival, if not surpass, the Kama Sutra.
He says that he wants to settle down.
I'll tell you when I'm ready.
Lisa offered no apologies.
Debi died a few years later.
It's because I'm actually from Chicago, everyone else is from the suburbs.
Wash your hands, please.
Waiter, the check, please.
They are fascinated by blood and violence.
He took a shortcut through the forest.
I had a puppy when I was a boy.
Sad to see you go.
A waterfall of sweat began to pour down my face.
It's time to begin.
I don't feel well. Could you give me some medicine?
You don't know whether he has a girlfriend?
I'll make it worth your while.
Konrad saw Jamie sitting alone at her desk.
Jeffrey knows just about all there is to know about growing vegetables.
Please don't tell Carsten about our plan.
What day of the week is Tuesday?
I called you because I need a favor.
He is not the sort of man who counts on others for help.
Hazel never told me he was afraid of Miltos.
Ned's success spurred us on.
It is smaller than Tokyo.
I regret to say I couldn't come yesterday.
I earned a bachelor's degree.
Shuvra is married to my sister.
He was removed from his post because he was idle.
You've got plenty of time.
He is a man of character.
She concealed the fact that she used to be a salesgirl.
You must pay off your debts.
If you're not listening to the radio, turn it off.
She probably studied in France, as she speaks French fluently.
Fishing, hunting, hiking and skiing are popular.
You will fix it, won't you?
Bryan has been sober three months.
The name rang a bell in me.
We deal in silk goods.
I understand that you and Sassan are planning to get married.
The girl has grown into a slender woman.
He is laboring under a great error.
How did you know that Catherine would be late?
Make sure you tell her.
I met my boyfriend there.
The police are searching.
I'm the one who has the key to the truck.
He sowed wheat in his field.
It was named after the first American president.
Disney strip-mines the world's fairy tales for ideas and then sues people for intellectual property infringement.
Why would I be friends with Sriram?
It isn't important.
What matters most is the present, not the past.
Two tears fell down her cheeks.
I can't believe you did all this without any help.
I'll get started right away.
To think I might have been married to that woman! It was a close thing once.
Where did you go yesterday?
At first, I couldn't figure out what he was saying.
It had rained in the forest.
Why don't we head back?
Jisheng used to play poker with us.
She's on her way home.
Eliot regrets not having gotten on better with his brother over the years.
Let's feel out the situation before we do anything more.
No details were discussed.
We must trust women as much as we can trust the weather.
Wait until the light changes to green.
When did the Thirty Years' War take place?
Dwight is walking up the sidewalk.
Ronald's car ran out of gas.
He cried over her shoulder.
Shuvra drove Donnie back to her house.
I heard you're pretty good at chess.
I always try to make sure that everyone feels welcome.
Prakash didn't leave a suicide note, so the police suspect murder.
I think you're perfect.
Her affectionate letter moved me.
She made a man of a boy.
I asked Tao when he thought Gene would get here.
He has a fearsome intellect before which even the most learned cower.
We need it now.
My parents usually speak to each other in French, even though my mother is a native English speaker.
Please fill out this questionnaire and send it to us.
Please don't interrupt me for a while.
Nothing hinders what you overcome.
He is rotten to the core.
We should find out pretty soon.
Have a look at the girls.
Let's focus on getting this done.
Billie eats very quickly.
Presley had some fun.
I just sat there and didn't say a thing.
Timo took Marek's hand and squeezed it.
Tell Nici I don't know where he parked his car.
He has western books the like of which you can't get in Japan.
If you have the time you are welcome to make use of and contribute to the Tatoeba project.
How did you answer her?
His health ebbed slowly away.
I'll see to it that you have a raise after the first year.
The room was littered with scraps of paper.
This smells great! What are you cooking?
I want you to know what to expect.