题目内容
8．---____________do you exercise？---Five times a week．（ ）
| A． | How long | B． | How often | C． | How many | D． | How far |
分析 -你多久锻炼一次？-一周5次．
解答 正确答案：B．how long询问时间，表示多长，how often询问频率，表示多久，how many询问数量，表示多少，其后跟可数名词复数，how far询问距离，表示多远．根据答语Five times a week．可知说话人是在询问频率，故选择B．
点评 本题考查how词组，基础题，熟悉how词组的含义及用法，再根据题干即可作出选择．
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