Question

【题目】—________？

—They are taking a test.

A. Who are they B. Where are they

C. What can they do D. What are they doing

Answer 1

【答案】D

【解析】句意：----他们在干什么？-----他们正在参加考试。A. Who are they他们是谁；B. Where are they他们在哪里；C. What can they do他们能做什么；D. What are they doing他们正在做什么。