The boss has given everyone a special holiday, so we   go to work tomorrow.
#87937
A
can’t
B
mustn’t
C
needn’t
D
shouldn’t
推荐题目
You must be a writer, _____?
#90135
A
mustn’t you
B
are you
C
must you
D
aren’t you
 — Where is John?   — He _____ in the library.
#90206
A
should be
B
must be
C
can be
D
must have been