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Thomas in inventing many electrical machines.A.was successfulB.succeedC.was succ

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Thomas in inventing many electrical machines.A.was successfulB.succeedC.was succ

Thomas ______ in inventing many electrical machines.

A.was successful

B.succeed

C.was success

D.successes

试题答案

A

考查时态。句意:托马斯成功的发明了许多电动机器。结合语境可知本句描述的是过去的动作,故用过去时态,选项C中,success是名词,不能表示状态,故选A。