Question

【题目】—What is Betty doing right now?

—She ______ her homework on the computer.

A. does B. doing

C. is doing D. do

Answer 1

【答案】C

【解析】试题分析：考查动词时态。句意：——贝蒂现在在干嘛？——她正在用电脑做作业。

由于句上一中出现标志性时间状语right now，可知此句要用现在进行时。根据句意，故选C。