.A: How often she exercise?　　B: Twice a week.A. doB. doesC. doingD. did

发布时间：2020-11-23 00:09:36

.A: How often      she exercise?　　B: Twice a week.
A. do
B. does
C. doing
D. did

网友回答

A. do
(答案→)B. does
C. doing
D. did
解析：本题考查对动作发生的频率提问，主语是第三人称单数，助动词用does，故选B。
以上问题属网友观点，不代表本站立场，仅供参考！