Although James Cook 　　　 the first westerner to have discover

Although James Cook 　　　 the first westerner to have discovered Australia,New Zealand and Hawaii,his travels led to the creation of more accurate and reliable maps for vast parts of the world.

A．isn’t	B．wasn’t
C．must have been	D．may not have been

junhorizon 1年前已收到1个回答举报

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chen_juntt 春芽

共回答了16个问题采纳率：75% 举报

D

从to have discovered及 led 可知此处表过去，从句意上看应为“过去可能不是”，故选D。

1年前

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