题目内容
20．There was a strange sound outside．Mary went out and ______ around，but she _____ nothing．（ ）| A． | looked，saw | B． | saw，saw | C． | watched，looked | D． | looked，find |
分析 外面有奇怪的声音，Mary出去四周查看，但什么也没有看见．
解答 答案：A．
首先根据语境"外面有奇怪的声音，Mary出去四周查看，但什么也没有看见．"设空处的两个动作都发生在过去，与前面的went out是并列的，所以都用动词过去式； 第一个设空处表达"环顾四周"用固定短语look around，第二个设空处强调看的结果，所以用see，过去式是saw，故答案为A．
点评 watch强调"专注地看"，有欣赏的意味，常用于看电视、看球赛等．
find"找到；发现"强调找的结果．
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