题目内容
---______ does your cousin exercise? ---Three times a week.
A.How many | B.How often | C.How long | D.How much |
B
试题分析:句意:--你表弟多长时间锻炼一次?--一周三次。A. How many多少次; B. How often多久一次; C. How long 多长; D. How much多少。根据句意故选B。
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