Nobody ______ to go into the laboratory without permission (允许).
#44894
A
allows
B
is allowed
C
promises
D
is promised
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Teenagers should_____________ drive. They’re not serious enough.
#44709
A
allowed to
B
be allowed to
C
allow to
D
not be allowed to
----Smoking should ____________ in school. ----I agree. It’s bad for our health.
#44526
A
be allowed
B
not allow
C
allow
D
not be allowed