It is required that no smoking ______ in the school.
#89784
A
was allowed
B
be allowed
C
would be allowed
D
had been allowed
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 -----Why didn’t you ring me up?----- Sorry, I forgot your phone number. Otherwise, I _____ long before.
#86911
A
had rung you up
B
must run you up
C
would have rung you up
D
would ring you up
If Alice ______this afternoon, the meeting should be put off.
#89830
A
would not come
B
might not come
C
should not come
D
could not come