I didn’t see her in the meeting room this morning. She _____ at the meeting.
#90209
A
mustn’t have spoken
B
shouldn’t have spoken
C
needn’t have spoken
D
couldn’t have spoken
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He commanded that the students ______the classroom before he returned.
#86770
A
didn’t leave
B
wouldn’t leave
C
not leave
D
couldn’t leave
There was plenty of time.He       .
#89668
A
couldn’t have hurried
B
mustn’t hurry
C
needn’t have hurried
D
can’t have hurried
It is recommended by the representatives that traditional cultures _____
#86825
A
should preserve
B
have been preserved
C
be preserved
D
must be preserved