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__________ofhisparentsaredoctors.A.Each            B.Bo...

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问题详情:

__________ofhisparentsaredoctors.A.Each            B.Bo...

__________ of his parents are doctors.

A. Each              B. Both               C. All                  D. Some

【回答】

B

知识点:不定代词

题型:选择题

标签:BBo