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Though he is in his sixties, he works as hard as a young man. A. yet B. but C. a

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Though he is in his sixties, he works as hard as a young man. A. yet B. but C. a

Though he is in his sixties, ______ he works as hard as a young man.

A. yet         B. but         C. and         D. and yet

试题答案

A