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【題目】—Do you know who invented lights?

—Yes, they by Edison.

A.inventedB.are inventedC.were inventedD.was invented

【答案】C

【解析】

句意：——你知道誰發(fā)明了電燈嗎？——是的，它們是被愛迪生發(fā)明的。

A. invented發(fā)明，一般過去時態(tài)；B. are invented被邀請；一般現(xiàn)在時態(tài)的被動語態(tài)；C. were invented被邀請，一般過去時態(tài)的被動語態(tài)；D. was invented被邀請，一般過去時態(tài)的被動語態(tài)，單數。電燈的發(fā)明已成為過去，這里是一般過去時態(tài)的被動語態(tài)，主語是復數，這里用were done的形式。根據句意，故選C。

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