题目内容
______hours do you exercise every week ? Nine hours.
| A．How many | B．How often | C．How much | D．How long |
A
解析试题分析：你每周做几个小时的运动？九小时。A多少，后接可数名词复数，例如本题中的hours;B多久一次，表频率，C多少，后接不可数名词，D多长。结合题意，故选A。
考点：考查短语辨析。
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