Question

Not until he left his home _____ to know how important the family was for him

1. A.
   did he begin
2. B.
   had he begun
3. C.
   that he began
4. D.
   he had begun

Answer 1

A
試題分析:考查倒裝句。Not until +從句位于句首時(shí)從句需用部分倒裝語(yǔ)序，即一般疑問(wèn)句語(yǔ)序。所以排除C、D選項(xiàng)，而根據(jù)時(shí)間狀語(yǔ)從句until he left his home 可以判斷主句應(yīng)該用一般過(guò)去時(shí)，故A選項(xiàng)正確。
句意：直到離開(kāi)家他才開(kāi)始知道家庭對(duì)他來(lái)說(shuō)是多么的重要。
考點(diǎn)：考查倒裝句。