I haven"t played computer games last month. [ ]A. since

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I haven"t played computer games            last  month.       [     ]
A. since
B. on
C. by
D. until

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举一反三

Everyone must make a contribution                protecting our environment.    [     ]
A. about
B. with
C. to
D. for

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These letters should provide us         all the information we need.     [     ]
A. in
B. for
C. with
D. to

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An e-mail _____ lots of e-mail English starts to look _____ secret code. [ ]
A. with; like
B. has; like
C. has; as
D. with; as

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A lot of e-mail English words come _____ a computer program _____ ICQ. [ ]
A. from; call
B. out of; call
C. from; called
D. to; call

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My sister always goes to sleep _____ her bedroom light on. [ ]
A. with
B. for
C. and
D. but

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