By the time用法可以和when互換么?
By the time用法可以和when互換么?
兩個都能表示“當(dāng).”么?
兩個都能表示“當(dāng).”么?
英語人氣:430 ℃時間:2019-11-20 23:28:49
優(yōu)質(zhì)解答
by本身有‘.之前’的意思.by the time是典型的要求完成時態(tài)的詞組,比如:By then,he was 15.那時他已經(jīng)15歲了.(到那時之前.)By the time she gets there,they will have covered everything.她到那里之前,他們就已...
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