问题
选择题
Jack _______ the various activities offered by the summer camp and had a good time. [ ]
A. concentrated on
B. approved of
C. participated in
D. appealed to
答案
答案：C
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Jack _______ the various activities offered by the summer camp and had a good time. [ ]
A. concentrated on
B. approved of
C. participated in
D. appealed to
答案：C