—You didn’t wait for Mr. Black last night, did you? —No, but we ____. He didn’t return home at all.
#89202
A
couldn’t have
B
needn’t have
C
didn’t need to
D
should wait have
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---Where will you start your work after graduation?---Mmm, it's not been decided yet. I ____ continue my study for a higher degree.
#89634
A
need
B
must
C
would
D
might
The ecologists urged measures _______ to protect the wildlife.
#87408
A
would be made
B
would be taken
C
be taken
D
be made
It is strongly suggested that measures ________students to cheat in the exams.
#89242
A
be taken to prevent
B
be taken to forbid
C
are taken to prevent
D
are taken to forbid
Maybe if I_____ science, and not literature then, I would be able to give you more help.
#86597
A
studied
B
wouldstudy
C
hadstudied
D
wasstudying
Since nobody gave him any help, he have done the research on his own.
#86873
A
can
B
must
C
would
D
Need