----Was he present a the meeting?---- He ____ not have attended it, for he was busy repairing his computer all the time.
#90375
A
can
B
might
C
must
D
should
推荐题目
My English teacher insisted that the exercises ____very difficult and that we ____them carefully.
#86763
A
were; must finish
B
be; finish
C
were; finish
D
be; finished
Jack _____ yet, otherwise he would have telephoned me.
#89350
A
mustn’t have arrived
B
shouldn’t have arrived
C
can’t have arrived
D
needn’t have arrived