Question

【题目】—What is Tom doing now?

—He is _____ at the moment.

A. sleep B. sleeps C. to sleep D. sleeping

Answer 1

【答案】D

【解析】

句意：——现在汤姆在干什么？——他此刻正在睡觉。at the moment此刻，现在。句子时态应为现在进行时，其构成为am/is/are + doing，此处缺少现在分词，故答案选D。