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I think ______ is necessary ______ us to do something useful to protect the birds.
#50276
A
this; for
B
it; of
C
this; of
D
it;for
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Was that the match       which you took part?
#47168
A
in
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for
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on
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at
—Is your father ___ home?—No，he’s working late ____ the office.
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on
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Please cut __ the banana __ small pieces.
#49846
A
up; to
B
up; into
C
off to
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#50465
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in
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to
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It’s impolite        angry      your parents.
#48132
A
Is; to
B
to be ; with
C
are; at
D
to be; about