速进
问：_____________________
答:Since I was three.
问句中是 When did you start playing tennis?还是How long have you played tennis?
人气：329 ℃ 时间：2020-09-07 01:09:00
解答
How long have you played tennis?
因为回答Since I was three是专门回答完成时态的
而When did you start playing tennis?
回答应该用过去时态
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