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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You are very good speaking English. Can you help me it?
#51385
A
for, with
B
at, to
C
to, of
D
at, with
--- Don’t drive so fast! We must slow down when we drive ______the tunnel.
#47087
A
past
B
through
C
across
D
over