i have been wacthing TV since 3 hours 5个同义句
人气：199 ℃ 时间：2019-10-10 01:43:39
解答
the original sentence is grammatically wrong.you want to say,you've been watching tv for 3 hours,or,you've been watching tv since 3 o'clock?I've been watching tv for 3 hours.I've been watching tv sinc...
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