It ___ be the postman at the door. It’s only six o’clock.
#87620
A
mustn’t
B
can’t
C
won’t
D
needn’t
推荐题目
It was Mr Zhang that helped us out of the trouble. Without his help, we ______ it so easily.
#87545
A
can’t manage
B
mustn’t have managed
C
couldn’t have managed
D
couldn’t manage
— Turn off the TV, Jack. ____ your homework now?— Mum, just ten more minutes, please.
#90090
A
Should you be doing
B
Shouldn’t you be doing
C
Couldn’t you be doing
D
Will you be doing
My careless friend Bob received a ticket for speeding. He ____ have driven so fast.
#87755
A
can’t
B
wouldn’t
C
mustn’t
D
shouldn’t
---Someone’s been here. Who ___ it be? It looks like Helen.---It ___ be Helen.She is ill in hospital.
#88920
A
must; must
B
might; could
C
can; mustn’t
D
can; can’t