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Karaoke, which was invented by the Japanese, both wonders and problems.A.has bee

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Karaoke, which was invented by the Japanese, both wonders and problems.A.has bee

Karaoke, which was invented by the Japanese, ______ both wonders and problems.

A.has been produced

B.was produced

C.produced

D.has produced

试题答案

D

时态考查题。“日本人发明的卡拉ok既产生了奇迹也产生了问题”