题目内容
6. 电视机已开了几个小时了,你介意关掉吗?
The TV set. Do you mind turning it off?
6. has been on for a few/several hours
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题目内容
6. 电视机已开了几个小时了,你介意关掉吗?
The TV set. Do you mind turning it off?
6. has been on for a few/several hours