31.Our community appears more beautiful with green grass and colourful flowers ____ here and there.

题目

31.Our community appears more beautiful with green grass and colourful flowers ____ here and there.
A.grow B.to grow C.growing D.having grown
我选A
33.The problem of carbon emission ____ at Copenhagen Summit has aroused the public’s wide concern.
A.discussed B.having been discussed C.being discussed D.to be discussed
我选B
35.The customers objected ____ unfairly in the course of shopping.
A.to be treated B.their being treated C.to being treatedD.having been treated
我选A
只有答案的话不要回答Cac

答案

C
因为已经有appears作为动词,现在需要非谓语动词,所以A肯定不行,一般现在时,正在生长着,所以用growing
A
首先是被讨论,所以用被动语态,主句是has aroused 是完成时,所以用discussed
C
object to doing 表示反对做什么,所以用C