--- Have you told him we have changed the plan?I _____ have, but I haven’t done it yet.
#86932
A
must
B
ought to
C
needn’t
D
can’t
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He _______ Shanghai, for I saw him talking with the headmaster a moment ago.
#90144
A
must have gone to
B
can’t have gone to
C
mustn’t have been to
D
can’t have been to
If I hadn’t stood under the ladder to catch you when you fell, you _________ now.
#87546
A
wouldn’t be smiling
B
couldn’t have smiled
C
won’t smile
D
didn’t smile
. If only I ________ how to operate an electronic computer as you do.
#89384
A
had known
B
would know
C
should know
D
knew
It is difficult, so I suggest that you __ it to an expert.
#87494
A
should leave
B
will leave
C
are leaving
D
may leave
Premier Wen advocated school bus safety_______.
#87525
A
be guaranteed
B
guaranteeing
C
should guarantee
D
must be guaranteed