—Don’tyouknowyourcomputerhasbe

—Don’t you know your computer has been inflected with viruses?
— Really？No wonder it hasn’t_______ as properly as before.

A．managed

B．controlled

C．operated

D．appeared

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相关试题

24. — Someone is knocking at the door. It _________ be Tom.
— No, it ________ be him; he has gone to Sydney.

A．must; can’t

B．might; mustn’t

C．may, needn’t

D．can; mustn’t

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23. “If anything ________ to the patient, let me know at once, please.” the doctor said to the nurse.

A．takes place

B．breaks out

C．comes about

D．Happens

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40. Was it from the lake ________ he often went fishing ________ he saved the drowning girl?

A．that, that

B．where, where

C．where, that

D．that, where

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39. Crusoe stored ________ food in the new cave.

A．large quantities of

B．a great many

C．a large number of

D．quite a lot

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38. ---I can’t find Mr. Zhang. Where did you meet him this afternoon?
---It was in the classroom _______ he taught.

A．that

B．which

C．where

D．the place

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