Not until all the fish died in the lake __________ how serious the pollution was
题型:不详难度:来源:
Not until all the fish died in the lake __________ how serious the pollution was.A.did the villagers realize | B.the villagers realized | C.realized the villagers | D.do the villagers realize |
|
答案
A |
解析
试题分析:句意:直到湖里所有的鱼都死了,村民才意识到污染多严重。Not until+从句放在句首的时候,后面的主句要部分倒装,助动词放在主语前面,排除BC,因为前面用died,所以用一般过去式,选A。 |
举一反三
Only when___________ according to the directions can the medicine be quite effective.A.taking | B.taken | C.being taken | D.having been taken |
|
Directly he arrived the bus station, then ____ he had intended to take. A.a bus did come | B.a bus came | C.came a bus | D.did a bus come |
|
---- Have you got any particular plans for the coming holiday? ---- Yes, ______ . I am going to visit some homes for the old in our city.A.if ever | B.if busy | C.if anything | D.if possible |
|
____under the tree was a charming girl aged about seventeen or eighteen.A.Sat | B.Sitting | C.To sit | D.Sit |
|
Be careful when you cross this busy street. _____, you may get run over by a car. A.If not | B.If so | C.If any | D.if possible |
|
最新试题
热门考点