He ____ have finished his work; Otherwise, he would．not be enjoying himself by the seaside．
#87877
A
should
B
must
C
couldn’t
D
can’t
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----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
— Did you go to the lecture by the visiting professor?— No. I ______ it, but I've been busy taking care of my grandma in hospital these days.
#86511
A
would have attended
B
should attend
C
must have attended
D
would attend
“Would you have told him the answer had it been possible?” “I would have, but I ＿＿＿＿so busy then.”
#89921
A
had been
B
were
C
was
D
would be
—The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job?—____ my students have a try?
#89494
A
Shall
B
Will
C
Could
D
Should