问题补充:
---How do your parents usually go to work?
---My mother usually goes to work bus while my father a bike to work.
A. takes, rides
B. take, by
C. by, by
D. by, rides
答案:
A. takes, rides
B. take, by
C. by, by
D. by, rides
解析:考查动词辨析。句意 你的父母如何去上班的?我的妈妈通常乘公共汽车而我的爸爸骑自行车。根据My mother usually goes to work这个句子完整,故缺少介词。while my father a bike to work.这句话中缺少谓语动词,故选D项。