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
My careless friend Bob received a ticket for speeding. He ____ have driven so fast.
#87755
A
can’t
B
wouldn’t
C
mustn’t   
D
shouldn’t
 His parents meant him_____________ scientific research, but he showed no interest and turned poet.
#89322
A
going in for
B
to have gone in for
C
to go in for
D
having gone in for
If I ___ the answer to the question , I ____  you..
#88939
A
know; would tell
B
would know; would tell
C
knew ; would tell
D
know ; tell