When astronauts return to the earth’s atmosphere, helicopters fly to________they would land, ready to collect them.
#34720
A
what
B
where
C
which
D
that
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__ we have no disagreement on the plan, let's bring the discussion to an end.
#31941
A
Unless
B
Until
C
Although
D
Now that
China is developing fast. That's ________ I think those of my colleagues who deal with China affairs should visit China.
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A
because
B
why
C
when
D
how
39.When you read the book, you’d better made a mark ____ you have any questions.
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A
at which
B
at where
C
place
D
where
--Did you remember to give your boss my message?--Yes, I gave it to her__ I saw her.
#31830
A
while
B
suddenly
C
as long as
D
the instant