题目内容
8．He ______ a book yesterday．It ______ him 50 yuan．（ ）| A． | bought； paid | B． | spent； took | C． | paid； spent | D． | bought； cost |
分析 昨天他买了一本书，它花了他50元．
解答 答案：D．根据关键词yesterday可知，本句是一般过去时态，bought，买，是瞬间动词，表示过去的状态；第二个空it做主语，代指a book，所以动词用cost．故选D．
点评 本题考查动词的时态，解决此类问题是根据关键词和标志词来确定动词的形式，在不同的语言环境中达到熟练掌握的目的．
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