—Did Jack come back early last night?
—Yes. It was not yet eight o' clock          he arrived home
A.beforeB.thatC.whenD.until
C

試題分析:考查狀語(yǔ)從句:考生容易認(rèn)為是在考查強(qiáng)調(diào)句。It be+被強(qiáng)調(diào)部分+that/who+其余部分。而判斷一個(gè)句子是否為強(qiáng)調(diào)句型,只需將其中的It is/was和who/that去掉,如果句子結(jié)構(gòu)完整通順,則是強(qiáng)調(diào)句型,否則就可能是其他語(yǔ)法形式。如果選C項(xiàng),去掉It was和所填的that后,時(shí)間狀語(yǔ)前缺少介詞,句法錯(cuò)誤,因此該句不是強(qiáng)調(diào)句型,而是狀語(yǔ)從句。其次,認(rèn)為是在考查it…before…句型。It is+時(shí)間段+before句型的肯定式表示“過(guò)多久……才、就”;否定式表示“不久……才、就”。此題如用before邏輯不符,這題是when引導(dǎo)的時(shí)間狀語(yǔ)從句,it指時(shí)間,句意為:-Jack昨晚回來(lái)得很早嗎?-是啊,當(dāng)他到家時(shí)還不到8點(diǎn)。故答案選C。
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