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Mr Hall understands that maths has always been easy for him,it is not easy for t

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Mr Hall understands that maths has always been easy for him,it is not easy for t

Mr Hall understands that ________ maths has always been easy for him,it is not easy for the studants.

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A.unless

B.since

C.although

D.when

试题答案

答案:C

解析:

解析:根据前后题意推断出前后两个分句意义是相反的,只有C项符合,解题关键在于把握语境。