. “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
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———It was a green dinner. _______ ———Thanks. But it really only took an hour.
#87721
A
You must be tired.
B
I enjoyed it very much.
C
You must have spent all day cooking.
D
I have never had it before.
As it turned out to be a small house party, we __________ so formally.
#87235
A
needn’t dress up
B
shouldn’t dress up
C
were not necessary to dress up
D
needn’t have dressed up