--- ____ do you study for tests?---I study math by ___

试题详情及答案解析

--- ____ do you study for tests?
---I study math by ____ lots of exercises.

A．How, doing	B．How, do
C．When, do	D．What, doing

答案：A

试题分析：句意：--- 你怎样准备考试？---我通过做大量的练习来学习数学。根据答语可知应该问怎样学习，故用how来提问；by+doing通过做某事。所以选A。
考点：考查疑问词和非谓语动词的用法。