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  • (1/2)請(qǐng)選一個(gè)正確答案?The math teacher gave us such a difficult problem (_)no on

    (1/2)請(qǐng)選一個(gè)正確答案?The math teacher gave us such a difficult problem (_)no on
    英語(yǔ)人氣:366 ℃時(shí)間:2020-06-21 05:21:30
    優(yōu)質(zhì)解答
    as在此引導(dǎo)定語(yǔ)從句,從句必須缺少成分,沒有it.“as we couldn't work out.”是定語(yǔ)從句,修飾 problem.
    that引導(dǎo)賓語(yǔ)從句,后面的句子應(yīng)該是完整的:(that )no one can work out it.(必須有it).
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