题目内容
3. 在学习之余,他就参加给需要帮助的孩子筹集书籍之类的活动。
When he is free,he activities like books for children.
3. takes part in,collecting in need
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题目内容
3. 在学习之余,他就参加给需要帮助的孩子筹集书籍之类的活动。
When he is free,he activities like books for children.
3. takes part in,collecting in need