The cost of living in cities is ______.A.rise B.rises up C.raising D.rising
问题描述：
The cost of living in cities is ______.A.rise B.rises up C.raising D.rising
答
D。首先由is可排除A B。比较raise与 rise：当它们都做不及物动词用时，rise有涨价的意思，而raise没有
答
D.rising
答
D
从语法角度首先排除AB,C是及物动词需要宾语 也排除