Is your mother an experienced English teacher?
Is your mother an experienced English teacher?
Yes,She has taught English ____ thirty tears ago.
A.for B.since
Yes,She has taught English ____ thirty tears ago.
A.for B.since
英語人氣：276 ℃時(shí)間：2020-05-19 08:53:25
優(yōu)質(zhì)解答
當(dāng)然選B了,for后面要接一段時(shí)間,since后面接一個(gè)時(shí)間點(diǎn),很顯然的,三十年前是一個(gè)時(shí)間點(diǎn),而非時(shí)間段,所以要用since
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