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题型：单选题
It was________great shock to the world that two aero-planes crashed into ______World Trade Center in New York o September 11th, 2001.
- A.
a; /
- B.
a; the
- C.
the; the
- D.
/; the
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题型：单选题
Later, these rocks proved that ___ in the distant past the Antarctic was covered by plants.
- A.
at one time
- B.
at a time
- C.
at times
- D.
at the same time
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题型：单选题
I found him sitting in his chair, completely _____a magazine
- A.
absorbing
- B.
being absorbed in
- C.
absorbed in
- D.
absorbing in
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题型：单选题
He came to a point _______ there was no more road to follow, and before him he could see nothing but a thick forest.
- A.
where
- B.
what
- C.
which
- D.
that
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题型：单选题
I shall never forget those years ________ I lived on the farm _______ you visited last week.
- A.
when; where
- B.
which; which
- C.
when; which
- D.
which; where
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题型：单选题
______ I made a speech in front of so many people, I felt quite nervous.
- A.
The first time
- B.
For the first time
- C.
At that time
- D.
At the first time
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题型：单选题
________ your spirits. Try again and you’ll succeed
- A.
Catch up
- B.
Catch on
- C.
Keep up
- D.
Keep
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题型：单选题
It was required that the tall building _______ at present because it is still new.
- A.
not pulled down
- B.
was not pulled down
- C.
not being pulled down
- D.
not be pulled down
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题型：单选题
It was _____ several years ____ I had an opportunity of seeing the bird again .
- A.
for; before
- B.
not for ; that
- C.
for ; when
- D.
not for ; then
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题型：单选题
Would it __________ for the school to have summer camp for all of us?
- A.
break away
- B.
leave out
- C.
make sense
- D.
put forward
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