题目内容
【题目】-________hours do they exercise every week?
-About 40 hours,I think.
A. How many B. How long C. How often D. How
【答案】A
【解析】试题分析：句意：——他们每周锻炼多少小时？——我认为大约40小时。Hours是可数名词复数，只能用how many修饰。故选A。
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题目内容
【题目】-________hours do they exercise every week?
-About 40 hours,I think.
A. How many B. How long C. How often D. How
【答案】A
【解析】试题分析：句意：——他们每周锻炼多少小时？——我认为大约40小时。Hours是可数名词复数，只能用how many修饰。故选A。