① he has been working for five hours for five hours用它提问、
② my brother joined the league three years ago three years ago用它提问
③ l ‘ d like to start a club 变为一般疑问句.
人气：298 ℃ 时间：2019-10-17 03:15:18
解答
how long has he been working
when did your brother joined the league
would you like to start a club
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