Question

【题目】— What made him so worried? —________.

A.Losing his walletB.Because he lost his wallet

C.He has lost his walletD.Lost his wallet

Answer 1

【答案】A

【解析】

——什么让他如此焦虑？——他丢了钱包。

考查动名词作主语。答句中对what特殊疑问词来进行回答；B和C是对原因来进行回答，故排除B和C。根据题意，“丢钱包”应作为答句中的主语，lose是动词，动名词可以做主语。故选A。