— Can you imagine what is Jack doing now? He is playing football outside while everyone else is busy in class!— He     his homework, I think.
#87459
A
must have finished
B
must finish
C
can’t have finished
D
mustn’t have finished
推荐题目
—Are you content with her lecture?  —Nowhere near that. It ____. 
#89196
A
may have been good
B
couldn’t have been worse
C
can’t be better
D
must be better
_______ it rain tomorrow, we would stay at home.
#87246
A
Should
B
Be
C
Were
D
Will
 Why are you doing that? If I ____you, I’d stop.
#87880
A
had been
B
hadn’t been
C
were
D
were not
I was too careless.If only I ___ my car!
#89314
A
hadn't lost
B
would not have lost
C
didn't lose
D
haven’t lost