问题
选择题
My neighbours used to give a hand in time of trouble, ________ was very kind of them.[ ]
A. who
B. that
C. what
D. which
答案
答案：D
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My neighbours used to give a hand in time of trouble, ________ was very kind of them.[ ]
A. who
B. that
C. what
D. which
答案：D