Question

【题目】I don't know _______ read the information on the computer screen.
A.to
B.what to
C.how to
D.to what

Answer 1

【答案】C
【解析】句意：我不知道如何阅读电脑屏幕上的信息。疑问词+动词不定式，排除A,D；此处缺少疑问副词，表方式，所以答案是C。