题目内容
20.David can't be in the classroom now,because just now I saw himreading books in the library.(read)分析 戴维现在不可能在教室里,因为刚才我看见他在图书馆看书.
解答 答案:reading 考查单词填空.根据题干及句意戴维现在不可能在教室里,应该是看见他正在图书馆看书,用固定短语see sb doing sth,故答案是reading.
点评 本题考查用所给单词的适当形式填空,首先要根据语境明确句意,然后再根据相关语法对所给单词在形式上做出正确的变化.
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