. “You ___ not be too careful in the exam. Do and check your papers carefully and you ____ not take your papers out of the examination room after the exam.” the teacher told us before the exam.
#88324
A
must; should
B
can; shall
C
must; shall
D
can; could
推荐题目
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
— I saw Mr Li at the meeting yesterday.— Did you? He _______ have attended it, for he had asked for sick leave.
#87289
A
needn’t
B
couldn’t
C
shouldn’t
D
mustn’t
—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
If Becky hadn’t missed the bus, she ______late for the lecture.
#87881
A
would have been
B
wouldn’t have been
C
had been
D
wasn’t
--Were you in time for the meeting?-- If I _________earlier, I would have .
#87184
A
was told
B
had been told
C
were to be told
D
should be told