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  • 1-.It must have been hard word.

    1-.It must have been hard word.
    -Yes,it_____Dr.Yuan more than 20 years to develop the super hybrid rice.
    A.takes B.has taken C.was taking D.took
    2.--Did you go to Mrs.Smith's birthday party?
    --Of course.Every boy and every girl in our class______.
    A.has been invited B.have been invited C.was invited D.were invited
    英語(yǔ)人氣:175 ℃時(shí)間:2020-06-25 22:08:51
    優(yōu)質(zhì)解答
    1 it takes sb sometime/sth. to do sth. 做某事花費(fèi)某人……it 做的是形式主語(yǔ).
    2. every +名詞單數(shù)+every +名詞單數(shù)做主語(yǔ)時(shí),謂語(yǔ)動(dòng)詞用單數(shù).我們班里的每個(gè)男孩和女孩都已經(jīng)被邀請(qǐng).
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