it is/has been+時(shí)間段+since since后面接完成時(shí)還是一般過去?
it is/has been+時(shí)間段+since since后面接完成時(shí)還是一般過去?
求例子詳解!拜謝~
求例子詳解!拜謝~
英語人氣:867 ℃時(shí)間:2019-10-11 12:01:32
優(yōu)質(zhì)解答
用一般過去時(shí)例如:It has been a while since the last time I saw you.有好一陣子沒見你了.It has been a few decades since the computer came into being.自從計(jì)算機(jī)問世以來已經(jīng)有幾十年的時(shí)間了.It is years s...
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