Onlyaftermyfriendcame.A．didthe

Only after my friend came ____.

A．did the computer repair	B．he repaired the computer
C．was the computer repaired	D．the computer was repaired

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Four and half hours of discussion took us up to midnight,and break for cheese,chocolate and tea with sugar.

A．a;a

B．the; the

C．不填；the

D．a;不填

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Only by increasing the number of doctors by 50 percent properly in this hospital.

A．can be the patients	B．can the patients be treated
C．the patients can be treated	D．treated can be the patients

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A．against

B．before

C．beyond

D．without

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It was only after he had read the papers Mr. Gross realized the task before him was extremely difficult to complete.

A．when

B．that

C．which

D．What

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It may not be a great suggestion. But beforeis put forward, we'll make do with it.

A．

a good one

B．

a better one

C．

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D．

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