The young trees should______ as often as possible.
#44714
A
take care of
B
be take care of
C
be taken care of
D
be taken care
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The classroom every day.
#44450
A
should clean
B
should be cleaned
C
should cleaned
D
should be cleaning
—Mary was heard_______ just now. What happened?—John was telling a joke.
#45050
A
cry
B
to cry
C
laugh
D
to laugh
— Sixteen –year-olds should ____ to drive.
#44604
A
not be allowed
B
be allowed
C
not be allowed
D
be allow
-----Why don’t you come to Sally’s party ? -----I’m sorry . I ________ .
#44561
A
invited
B
didn’t invited
C
was invited
D
wasn’t invited