I have heard a lot of good things about you( )I
I have heard a lot of good things about you( )I
I have heard a lot of good things about you( )I came back from abroad.
答案是since ,為什么不用before?
I have heard a lot of good things about you( )I came back from abroad.
答案是since ,為什么不用before?
英語人氣：159 ℃時間：2019-10-15 08:30:58
優(yōu)質(zhì)解答
since是從我從國外回來起,直到現(xiàn)在,所以用現(xiàn)在完成時,如果用before,時態(tài)應(yīng)改為過去完成時,即had heard
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