问题
选择题
It is impolite to _____ those persons in trouble. [ ]
A. 1augh to
B. 1augh with
C. laugh of
D. laugh at
答案
答案：D
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It is impolite to _____ those persons in trouble. [ ]
A. 1augh to
B. 1augh with
C. laugh of
D. laugh at
答案：D