题目内容
My sister_______ the league last month and she has decided to _______ the activities to help the aged in town next week.
A. joined; join in B. joined in; join C. joined; join D. joined in; joined in
A
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题目内容
My sister_______ the league last month and she has decided to _______ the activities to help the aged in town next week.
A. joined; join in B. joined in; join C. joined; join D. joined in; joined in
A