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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Stamps are usually used _____letters.
#44752
A
to sending
B
to send
C
for send
D
for sent
– Will you go to Mr. Wang’s party? – I will if I ________.
#44574
A
am invited
B
have invited
C
will be invited
D
am inviting
The windows          after school is over.
#44799
A
usually close
B
usually closed
C
are usually closed
D
are usually closing
Teenagers _______ allowed to drive in the street .
#44554
A
should not be
B
should be not
C
not should be
D
shouldn’t