题目内容
8.__________ of his parents are doctors.( )| A. | Each | B. | Both | C. | All | D. | Some |
分析 他的父母都是医生.
解答 答案:B.根据are可知前面应用复数形式,而each"每个"是单数,故排除;根据parents"父母亲"是两个人,而all和some都表示多个;both表示"两者都"故本题选B.
点评 本题的关键在于能否正确辨析所给词表示的数量以及be动词的用法.
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