问题
选择题
Leave him alone! It's almost a waste of time__________ to such kind of person like him.[ ]
A. explained
B. to explain
C. explaining
D. to be explained
答案
答案：C
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Leave him alone! It's almost a waste of time__________ to such kind of person like him.[ ]
A. explained
B. to explain
C. explaining
D. to be explained
答案：C