出自:国家开放大学英语语法

It takes at least five years to ten years_____ it is possible to test this medicine on human patients. 　　
A.before
B.since
C.after
D.when
_______I admit that she has shortcomings, I still like her.
A.When
B.As
C.While
D.Once
The big fire lasted as long as 24 hours _______ it was brought under control.
A.after
B.before
C.since
D.while
George applied for the position three times __________he finally got it.
A.before
B.until
C.when
D.after
When George was a little boy in primary school, he often _______ to school on foot.
A.goes
B.went
C.go
D.will go
__________it is very late now, the researchers are still working in the lab.
A.As
B.When
C.If
D.Although
Childish __ she may be, she is kind and friendly.
A. if
B.although
C.as
D.however
Although it is raining hard _____
A.Tom still wants to go out
B.and Tom still wants to go out
C.that Tom still wants to go out
D.but Tom still wants to go out
He was _____ drunk that he could hardly stand.
A.ever
B.only
C.such
D.so
It’s such a difficult problem _______ no one can work it out.
A.as
B.that
C.so
D.thus
The weather forecast says there’s going to be a heavy storm here in two or three hours, so we have to hurry back home _____ it comes.
A.before
B.unless
C.although
D.until
_______I fixed the plug properly, I still got an electric shock.
A.Because
B.However
C.Although
D.When
_____ the manager will come or not doesn’t matter much.
A.Whether
B.That
C.If
D.What
All the evidence pointed to the conclusion ____ he was guilty.
A.which
B.that
C.as
D.so
Don.t let the child play with scissors ____he cuts himself.
A.in case
B.so that
C.now that
D.only if
___________ is known to all, too much stress can cause disease.
A.Which
B.That
C.It
D.As
My friend Peter,_____ had been on a visit to America, returned yesterday. 　　
A.which
B.that
C.who
D.whose
The travelers are going to Taiwan, _______ they plan to stay for two or three days.
A.that
B.which
C.when
D.where
Herry waved to his sister, __ was just getting off a bus.
A.who
B.that
C.which
D.whose
The young man _____ visited our school this morning is Maria’s brother.
A.who
B.which
C.whose
D.what
He failed in his exam, ___________ proves that he hadn’t worked hard enough.
A.what
B.that
C.which
D.such
He studied hard at school when he was young, _____ contributed a lot to his success.
A.which
B.therefore
C.that
D.what
Mary is the only student in my class _____ speaks Chinese.
A.who
B.which
C.where
D.what
The young man, ____ met us at the station yesterday, will show us around the campus this morning.
A.who
B.that
C.which
D.whose
Do you know the girl____father died in a car accident last week?
A.who
B.that
C.whom
D.whose
_______is known to all, the earth moves around the sun once a year.
A.That
B.As
C.What
D.It
I know you’re planning to travel this summer, but do you know __?
A.how much cost it will be
B.how much has it cost
C.how much it will cost
D.how much will it cost
Can you imagine why _____?
A.did the boy say that
B.the boy said that
C.did the boy say
D.the boy said
Every day w water is wasted here though we are badly short of it.
A.an
B. a number of
C.a lot of
D.these
I was shocked__________ the president.s words.
A.with
B.at
C.in
D.for
The man who was accused__________ stealing the car said that he was not guilt.
A.for
B.with
C.of
D.about
His car got stuck in the mud, so he_____ get off and asked the villagers nearby to help.
A.can
B.had to
C.used to
D.may
She has no idea of what the book is about. She ____ have read it carefully.
A.mustn’t
B.can.t
C.shouldn.t
D.needn.t
John, let.s take a taxi,_____?
A.will you
B.shall we
C.would you
D.should we
Student: Professor Wang, must I hand in the paper this week? Professor Wang: No, _______. You can hand it in next week.
A.you mustn’t
B.you can’t
C.you needn’t
D.you shouldn’t
We must make ____ our minds where to go for our vacation this winter.
A.out
B.up
C.for
D.in
________city to you prefer, Shanghai or London?
A.What
B.Which
C.Who’s
D.Whose
David left________raincoat in the room and went out.
A.his
B.him
C.theirs
D.them
There are many fashion shops and expensive restaurants on ____ sides of the street.
A.all
B.each
C.both
D.every
Sam: I don.t drink coffee at all.
Frank:____ .
A.So don.t I
B. I do either
C.Nor I do
D.Neither do I
Would you let _______ to the park with my classmate, Mum?
A.A. me go
B.B. me going
C.C. I go
The harder you study, ____ you will learn.
A.A. much
B.B. many
C.C. the more
It was well known that Thomas Edison ____ the electric lamp.
A.A. discovered
B.B. invented
C.C. found
It’s ____ that he was wrong.
A.A. clearly
B.B. clarity
C.C. clear
The boy is not happy at the new school. He has ____ friends there.
A.A. few
B.B. a few
C.C. little
We came finally ______ the conclusion that she has been telling lies all the time.
A.A. of
B.B. into
C.C. to
The main________________of the stoppage was the insufficient supply of raw material.
A.reason
B.cause
C.because
I had to_______________ some money to buy this expensive book.
A.lent
B.borrowed
C.lend
Of these two old people the former has died and the________________ is alive and healthy.
A.later
B.latter
C.late
We should be_______________ of our time and avoid doing anything unnecessary.
A.economics
B.economic
C.economical
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