Seldom______computer games ever since he entered college.A．did he playB．has he p

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Seldom______computer games ever since he entered college.

A．did he play

B．has he played

C．he played

D．he has played

答案

解析

略

举一反三

Only when you have obtained enough data ________ come to a sound conclusion.

A．can you

B．you can

C．would you

D．you would

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----Mary had a wonderful time at the party.
---- ________, and _________.

A．So she did; so did I	B．So did she; so did I
C．so she had; so I did	D．So had she; so I did

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Only then _________ to answer violence with violence .
A. we decided B. we decide C did we decide D. do we decide

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At the foot of the mountain ________, which caught my eye.

A．a beautiful wooden house lay	B．lay a beautiful wooden house
C．did lie a beautiful wooden house	D．did a beautiful wooden house lie

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None of them could understand your meaning, _________?

A．could they

B．didn’t he

C．do they

D．could it

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