后面when引导的是过去时,所以前面应该是过去完成时
has变为had
英语语法问题 the plane has already taken off when we got to the airport.有语法错误码?
英语语法问题 the plane has already taken off when we got to the airport.有语法错误码?
其他人气：888 ℃时间：2019-08-21 11:12:51
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