Everyone should _______________ the environment.
#66667
A
make a contribution to protect
B
make contribution to protecting
C
contribute in protecting
D
make contributions to protecting
推荐题目
While studying， fix your mind on what is really important， or you will remembering nothing.
#66060
A
take up
B
lead to
C
stick to
D
end up
What he said at the meeting suggested that he with us.
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A
didn't agree.
B
Shouldn't agree.
C
not agree
D
should agree
Although she ______for a moment about the job，she finally accepted it considering the benefits of it.
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A
hesitated
B
paused
C
stopped
D
wondered
When people move to another country, they often try _________ the custom of their native land.
#68511
A
to keep on
B
to keep off
C
to keep up
D
to keep down
Lack of money __________ her not continuing her studies.
#72825
A
explains to
B
cares for
C
approves of
D
accounts for