Thomas Edison seemed to be awkward in his childhood．

A．a great inventor

B．was a great inventor

C．a great inventor who

D．who, as a great inventor

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参考答案

A。伟大的发明家托马斯·爱迪生在孩童时期似乎很笨。考查主语同位语。本句已有的部分结构很完整，可见空白处为插入语，可以填入定语、状语或同位语，结合选项只有A符合题意，作此处作主语的同位语。

1 In less than two weeks, I

A．will graduate

B．am graduating

C．have graduated

D．will have graduated

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2 If we __________ the oil company to build this paper mill, we __________ water pollution now．

A．had not allowed, would not have

B．had not allowed, would not have had

C．didn't allow, would not have

D．didn't allow, would not have had

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3 The American Revolution is regarded by military historians as a war Britain __________

A．should never lose

B．can never lose

C．should never have lost

D．would never have lost

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