It has been announced that all the students put on the masks before going to school in ca
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解决时间 2021-04-08 08:24
- 提问者网友：眉目添风霜
- 2021-04-07 12:08
It has been announced that all the students put on the masks before going to school in case they are infected with SARS virus.
A. shall
B. will
C. need
D. may
最佳答案
- 五星知识达人网友：洎扰庸人
- 2021-04-07 13:04
(答案→)A. shallB. willC. needD. may解析：考查情态动词的用法：shall用于第二，第三人称表示允诺，警告，规定，句意：已经宣布所有的学生在上学前要戴口罩以免感染Sars病毒。选A。
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- 1楼网友：酒者煙囻
- 2021-04-07 14:23
和我的回答一样，看来我也对了
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