Are they (listening,听) to their teacher?
他们正在听老师讲课吗?
Are they (l ) to their teacher?
Are they (l ) to their teacher?
首字母是l,括号里填什么?
首字母是l,括号里填什么?
英语人气：321 ℃时间：2020-03-26 05:59:53
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