在图书馆里可做的和不可做的事?用英语写!（可做和不可做的各4句）格式：wemust……………………wemustn't……………………

Question

在图书馆里可做的和不可做的事?
用英语写!（可做和不可做的各4句）
格式：we must……
……
……
……
we mustn't……
……
……
……

Answer 1

we must be silent.
we must keep the floor clean.
we must walk quietly
we must sit on the chair instead of table or desk.
we mustn't bring food or drink into the library.
we mustn't take books out of library.
we mustn't make love in library.
we mustn't draw on books.