题目内容
7.There are many trees on sides of the road.( )| A. | both | B. | all | C. | either | D. | each |
分析 在街道的两边有很多树.
解答 答案:A.
both意思是"两者都"后面跟可数名词复数;all意思是"三者或三者以上都";either意思是"两者之中的任何一个";each意思是"每一个".根据"on sides of the road"我们知道街道有两个路边,两个路边都有树,所以要用both来填空,故选A.
点评 首先要掌握这几个不定代词的意思以及用法,然后结合具体的题目,就可以确定正确答案.
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