Although James Cook   the first westerner to have discovered Australia,New Zeala

Although James Cook   the first westerner to have discovered Australia,New Zeala

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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’tB.wasn’t
C.must have beenD.may not have been

答案
D
解析
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。
举一反三
It has been suggested that the land  equally among the farmers.
A.is sharedB.should share
C.be sharedD.will be shared

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If you had got up early,you   here on time.
A.would reachB.would have reached
C.have reachedD.had reached

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If It had been possible, I would have helped him, but I ______ too busy the.
A.had beenB.would beC.wereD.was

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He was determined that his children_______ to the best school available.
A.should goB.wentC.ought to goD.would go

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Kunar can take his car apart and put it back together again. I certainly wish he_____ me how.
A.teachesB.will teach C.has taughtD.would teach

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