给句首字母或汉语完成句子 Which rules are these student b_____.

题目

给句首字母或汉语完成句子 Which rules are these student b_____.
It's very cold o ___please don't go out.
Don't talk ____(大声的）in the library

答案

outside 外面太冷了,请不要出去
loudly 不要再图书馆里大声说话