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Everyone should make a contribution         the environment.
#60222
A
to protect
B
to protecting
C
protects
D
protected
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推荐题目
 _________ neither you nor he good at drawing ? No.
#54354
A
Is
B
Are
C
Am
D
Does
He’ll phone you as soon as he ________ Beijing .
#54912
A
reaches to
B
arrives in
C
will reach
D
will arrive
All the living things   on the sun.
#61638
A
depend
B
spend
C
look
D
go
 The little girl preferred       hours solving the problem to      others’ answer.
#63520
A
to spend; copying
B
spending; copying
C
spending; copy
D
to spend; copy
How did you______ the weekend?
#59129
A
spend
B
take
C
do
D
spent