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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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I have some problems __________ my homework. Could you tell me _____?
#48431
A
with; what the height of the mountain is
B
in; what the height of the mountain is
C
with; what is the height of the mountain
D
in; what is the height of the mountain
E-mail me______  Lucy @ sina．com or call me______ 55888301．
#49431
A
on；on
B
at；in
C
to；for
D
on；at
She had to sell the house even though it was       her own wish.
#49919
A
above
B
on
C
against
D
for
Winter holidays will begin _____ January 17.
#47063
A
in
B
at
C
on
D
for
The boy _______ a blue jacket can sing songs _______ English.
#47201
A
with, in
B
in, with
C
in, in
D
with, with