杭州交通信息网爱因斯坦最伟大的发明:英语语法问题
来源：百度文库 编辑：杭州交通信息网 时间：2024/04/20 10:20:55
An earthquake is a shaking of the ground ________ when masses of rock beneath the surface of the earth change position.
A. which occurring B. it occurs C. and therefore occurring D. that occurs
答案选D，A为什么不对？
13.53
A. which occurring B. it occurs C. and therefore occurring D. that occurs
答案选D，A为什么不对？
13.53
which同样是引导定语从句呀，后面要跟一个句子，这样的话句子没有谓语动词了
答案选D是因为关系代词that引导的定语从句在句中作主语，后面需要谓语动词。不能选A因为which引导的定语从句没有谓语。动词的ing形式在英语中叫非谓语，即不能充当谓语。