by the end是什么时态的标志
人气:279 ℃ 时间:2020-03-25 13:07:02
解答
看后面的时间而定.如后面为过去时间,用过去完成时.如:I had read ten English novels in origin by the end of last year.如后面为将来时间,用将来完成时.如:I wll have read ten English novels in origin by the...
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