Question

—Are you going to but a new camera?
—Yes.  But there are so many cameras that I can’t decide______________.
A. how to use       B. where to sell       C. which to buy

Answer 1

C

試題分析：句意為：---你打算買一部新照相機嗎？---是的。但是有那么多照相機以致我不能決定該買哪一個。這是一個含有賓語從句的復合句。從句的引導詞在句中作動詞不定式to buy的賓語，故選C。