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 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”