B.had learned
by + 過(guò)去某一時(shí)點(diǎn) 要和過(guò)去完成時(shí)連用
因?yàn)閎y 意為“不遲于”“在...之前”"到.時(shí)候”
by the end of last term 到上個(gè)學(xué)期末,所指的時(shí)間為【過(guò)去的過(guò)去】,所以要和【過(guò)去完成時(shí)】連用
請(qǐng)?jiān)诳蛻舳擞疑辖窃u(píng)價(jià)點(diǎn)“滿意”即可,
They ——about eight hundred English words by the end of last term
They ——about eight hundred English words by the end of last term
A.have learned B.had learned為什么選B?
A.have learned B.had learned為什么選B?
英語(yǔ)人氣：633 ℃時(shí)間：2019-11-09 16:17:03
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