题目内容
17.Sam opened the door and a lovely dog outside.( )| A. | finds | B. | found | C. | has found | D. | will find |
分析 Sam打开门发现外面有一只可爱的狗.
解答 答案:B.根据关键词opened the door可知,本句是一般过去时态,and连接的前后两个动词的形式是一致的,find的过去式为found,故选B.
点评 本题是对时态的考查,解决此类问题的关键是根据时间状语和关键词来确定动词的时态,在不同的语言环境中达到熟练掌握的目的.
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