题目内容
12.Many provinces have been hit with smog.If _______ unsolved,the problem may lead to more serious results.( )A. | having left | B. | to leave | C. | left | D. | leaving |
分析 许多省份都遭遇了雾霾.如果不治理,这问题将导致更严重的后果.
解答 答案是C.考查非谓语动词.题干主语是the problem,和动词leave之间是被动关系,所以用过去分词left作条件状语.故答案是C.
点评 解答此类问题,首先需要明确句意和句子成分,然后根据相关语法选择正确的答案.
![](http://thumb.zyjl.cn/images/loading.gif)
练习册系列答案
相关题目
20.-________ of us think the English examination was difficult.
-But I still don't think ________ could pass it.( )
-But I still don't think ________ could pass it.( )
A. | All,everybody | B. | None,anybody | C. | All,anybody | D. | None,everybody |
7.一You seem to be familiar with this city.
一I_____ here for three years.It's great to be back.( )
一I_____ here for three years.It's great to be back.( )
A. | will live | B. | lived | C. | had lived | D. | live |
17.The children ran out _______ after they finished their homework.( )
A. | of playing | B. | playing | C. | to play | D. | play |
4.I can't tell you the exact time when I'll get there,maybe at eight or nine or even later.______,I will be there as early as I can.( )
A. | Anyway | B. | However | C. | Thus | D. | Therefore |
2.We are glad to be told that Li Tao ______ to Fudan University for his top scores in the Maths Contest.( )
A. | was admitted | B. | has been admitted | ||
C. | is being admitted | D. | had been admitted |