- Has John arrived yet? -- No, she _______ an hour ago.
#88137
A
was supposed to come
B
must have come
C
should come
D
ought to have come
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If the wound ______ become infected, do not hesitate to call me.
#87149
A
shall
B
must
C
should
D
would
Seeing the enemy, Gary was behaving as though nothing .
#87059
A
happened
B
had happened
C
would happen
D
was happening
If you _____ stop smoking , you can only expect to have a bad cough .
#90400
A
won't
B
would not
C
do not
D
can not
Teachers suggested parents their children under 12 to ride bicycles to school for safety.
#87502
A
shouldn’t allow
B
don’t allow
C
mustn’t allow
D
couldn’t allow
More and more people have come to realize that if we had taken effective measures much earlier, the air quality ______ so seriously now.
#86958
A
is not polluted
B
would not be polluted
C
had not been polluted
D
would not have been polluted