－When ________ personal computer ________?

－In 1976．

[　　]

A．is, invented

B．did, invent

C．was, invented

D．was, inventing

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完形填空
Have you ever asked yourself why children go to school? You will probably   1__  they go to learn languages, geography, history, science and all the other subjects. That is quite    2  ,but why do they learn these things?
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【小題1】
A．speakB．sayC．talkD．tell
【小題2】
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【小題3】
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