Everyone _____ fight against pollution.[ ]A. may B. should C. mustn't D. needn't-九年级英语

题目简介

Everyone _____ fight against pollution.[ ]A. may B. should C. mustn't D. needn't-九年级英语

题目详情

Everyone _____ fight against pollution.
[     ]
A. may
B. should
C. mustn't
D. needn't
题型:单选题难度:中档来源:同步题

答案

B

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