题目内容
用动词的正确形式填空
—When ________ you ________ (join) the Greener China?
—I’ve been a member of the Greener China for just a year.
答案:did,join
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题目内容
用动词的正确形式填空
—When ________ you ________ (join) the Greener China?
—I’ve been a member of the Greener China for just a year.