Question

【题目】Excuse me, could you help me? I don’t know ______ exchange money.

A. how to B. how C. how can D. how can I

Answer 1

【答案】A

【解析】句意：对不起，你能帮我一下吗？我不知道怎么换钱。I don’t know后跟宾语从句时要用陈述句的语序，D答案为一般疑问句的语序，首先排除；C答案缺少主语；疑问词后跟动词时，要用动词不定式来来连接，故答案为A。