Question

【题目】- Where was your father at this time yesterday evening?

- He was writing an e-mail ______ I was doing my homework at home.

A.as soon asB.afterC.becauseD.while

Answer 1

【答案】D

【解析】

句意：——昨晚这个时候你爸爸在哪儿？——他正在写邮件，而我在家做作业。

考查连词。A. as soon as一……就；B. after在……之后；C. because因为；D. while表对比。根据句意，可知此处表示两个动作的对比，且while和进行时连用，故选D。