题目内容
.A: How often ______ she exercise? B: Twice a week.
A. do B. does C. doing D. did
B 【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。
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题目内容
.A: How often ______ she exercise? B: Twice a week.
A. do B. does C. doing D. did
B 【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。