Question

【题目】Do you know_________?

A.what the knife is used forB.what is the knife used for

C.where is the knife madeD.what is the knife made from

Answer 1

【答案】A

【解析】

句意：你知道这把刀是用来干什么的吗？

考查宾语从句。本题是宾语从句，宾语从句用陈述句，排除BDC；短语be used for…被用来做什么；这里用what来引导。根据题意，故选A。