Question

【题目】—Could you please tell me ______ the camera?
—I don't know, either.
A.how to using
B.what to use
C.how to use
D.how using

Answer 1

【答案】C
【解析】考查疑问词+不定式结构。根据语境可知, 是在询问“如何使用”how to use。故选C。