Mountain climbing _______ be tiring and many people feel sick as the atmosphere gets thinner.
#87119
A
need
B
can
C
must
D
would
推荐题目
Mr Bush is on time for everything. How____ it be that he was late for the opening ceremony?.
#87653
A
can
B
should
C
may
D
must
He ___________ the test, but he wasn’t careful enough.
#88168
A
was able to pass
B
must have passed
C
could have passed
D
might be able to pass
We were delayed at the airport．Otherwise，we here by lunch．
#86444
A
must have been
B
could be
C
should be
D
would have been
. -------It’s a red light, Tom. You __________ the car.------Sorry. I don’t see it.
#88187
A
may stop
B
should stop
C
can stop
D
will stop