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He _____go to play basketball because he is busy.
A. don’tB.isn’tC. doesn’tD. aren’t
C

试题分析:句意:他没有去打篮球,因为他很忙。对于实意动词的一般现在时句子,要变否定句,通常借助助动词do及副词not来表达,但当主语是第三人称单数时,则要借助助动词does及副词not来表达。所以选C。
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