He is an hour late by now.He         last night.
#87971
A
must stay up
B
should stay up
C
must have stayed up
D
should have stayed up
推荐题目
----Carol Walker didn’t turn up last time ,did she ? ----No .She _______.We had changed our plan .
#89827
A
shouldn’t have come
B
needn’t have to come
C
didn’t need to come
D
needn’t have come
 It is strongly suggested that measures     students to cheat in the exams.
#90539
A
be taken to prevent
B
be taken to forbid
C
are taken to prevent
D
are taken to forbid