Mountain climbing ________ be very tiring, and many people feel sick ________ the atmosphere gets thinner.
#31554
A
may; while
B
can; as
C
must; though
D
should; for
推荐题目
The place was flooded ________ it had been raining for several weeks.
#33744
A
because
B
because of
C
ever since
D
as a result of
— Will you go out to play for a while, Kate? —Not I finish all of my homework.
#30721
A
when
B
if
C
after
D
unless
__________ the term has come to an end, I’m going to rest for a few days and then take a trip.
#30794
A
Now that
B
Even if
C
As though
D
So that
– Why didn’t you tell him about the meeting?– He rushed out of the room _____ I could say a word.
#30942
A
before
B
until
C
when
D
after