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    精英家教网 > 初中英语 > 题目详情
    —Look at the flowers I gave you last month. They are dying! ________ do you water them?
    —Sorry, I forgot to water them.
    A．How longB．How often
    C．How soonD．How much
    B

    试题分析：句意：——看看我上个月给你的花。他们快死了！你多久给他们浇一次水？——对不起，我忘了给他们浇水。A. How long 对长时间，对时间段提问；  B. How often多久一次，对频率提问；C. How soon 多久，对将要用多长时间提问；D. How much多少，对价格提问。根据do you water them?这是一般现在时。可知此处问他经常给花浇水的频率，多久一次，故选B。
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