. She is a caring and helpful neighbor all of us will always adore and be thankful to.A.

问题补充：

. She is a caring and helpful neighbor, all of us will always adore and be thankful to.

A. /

B. that

C. for whom

D. one whom

答案：

A. /

B. that

C. for whom

(答案→)D. one whom

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