It has been announced that all the students ______ put on the masks before going to school in case t_刷题宝

题干

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

上一题下一题 0.0难度选择题更新时间:2018-08-31 11:27:41

答案(点此获取答案解析）

A

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