— Why! I _____ get you on the phone. — We ______ basketball on the playground when you phoned.
#89278
A
didn't; must be playing
B
couldn't; must be playing
C
couldn't; must have played
D
didn't; must have been playing
推荐题目
They urged that the library ______ open during the vacation.
#86800
A
must be kept
B
is kept
C
would be kept
D
be kept
I told your friend how to get to the hotel, but perhaps I______have driven her here.
#87301
A
could
B
should
C
must
D
might
We the manager , but no one the telephone number .
#87851
A
could have called ; knew
B
could have called ; had known
C
could call ; had known
D
could call ; knew
If it hadn’t rained so hard last night,it_______ so cold today.
#86461
A
would’t be
B
hadn’t been
C
weren’t
D
wouldn’t have been
— I don’t mind telling you what I know. — You _____. I’m not asking you for it.
#89260
A
mustn’t
B
may not
C
can’t
D
needn’t
