----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
When he saw all his books _____ here and there on the floor, he knew that something terrible _____.
#88903
A
lying; must have happened
B
lie; must happen
C
lay; might have happened
D
had lain; could have happen
—Shall we finish the project two days ahead?—I’m afraid we , in case the heavy storm comes suddenly.
#87103
A
may
B
will
C
can
D
must
—I knocked but nobody answered the door. ----They _____asleep then and didn’t hear you.
#88169
A
must be
B
should be
C
must have been
D
should have been
---Mike must have known that.---No, he ________. How _______ he?
#87806
A
mustn’t, must
B
may not, might
C
couldn’t, can
D
needn’t, need