—Lily do you study for a math best? —By asking my teacher for help.A. howB. whoC. whyD. w

问题补充：

—Lily, do you study for a math best? —By asking my teacher for help.

A. how

B. who

C. why

D. what

答案：

(答案→)A. how

B. who

C. why

D. what

解析：考查点：疑问词辨析。解题思路：how “怎样”对方式提问, who “谁”对人提问,why“为什么”对原因提问, what “什么”对物提问，根据答语回答的是方式，故选A。