祈使句表达规范与禁止 — 英语填空题
题目
完成下面的图书馆文明公约，用所给动词的正确祈使句形式填空（每空一词，注意规范与禁止的表达）。请保持安静：___ (keep) quiet in the library. 禁止在书上涂写：Don't ___ (write) on the books. 借书后按时归还：___ (return) the books on time. 禁止将书带出阅览室：Don't ___ (take) the magazines out of the reading room.