题目内容
3.I _______ think he is in the classroom.( )| A. | am not | B. | isn't | C. | aren't | D. | don't |
分析 我不认为他在教室里.
解答 答案:D,考查助动词.句意"我不认为他在教室里."根据题干I _______ think he is in the classroom.可知主语是I我,有动词think,所以应该用助动词do,否定形式是don't,故选D.
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