问题
选择题
When one makes new friends, don't forget _____ old ones. [ ]
A. to put up with
B. losing sight of
C. to keep track of
D. keeping in touch with
答案
答案：C
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When one makes new friends, don't forget _____ old ones. [ ]
A. to put up with
B. losing sight of
C. to keep track of
D. keeping in touch with
答案：C