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howlong的用法
题目
how long的用法
2021-03-16 15:45
优质解答
how long有以下两个主要意思：1.表示多长时间,主要用来对一段时间(如three days,four weeks 等)提问.如：A：How long did he stay here?他在这儿呆了多久?B：About two weeks.大约两个星期.A：How long does it take...