The space suits can be adjusted so that the team can reproduce different levels of gravity as if they________in space.
#86407
A
are
B
has been
C
were
D
had been
推荐题目
We __________ booked. Look, this restaurant is almost empty.
#87437
A
mustn’t have
B
can’t have
C
should have
D
needn’t have
.---I didn't go to work yesterday because my car broke down. ---You ____ mine. I wasn't using it then.
#89999
A
might borrow
B
could have borrowed
C
must have borrowed
D
ought to borrow
Don’t turn off the computer before closing all programs you could have problems
#86872
A
or
B
and
C
but
D
so
Had Tom studied harder, he ________ the exam.
#86607
A
must have got through
B
would have got through
C
would get through
D
could get through