30.We will never forget the days we spent those old men and women in the home for the aged. A.which; helping B.when; to help C.during which; helping D.that; help 查看更多

 

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We will never forget the days _____ we spent _____ those old men and women in the home for the aged.

A.which; helping                                           B.when; to help

C.during which; helping                                 D.that; help

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