Don't talk ( )don't play in chess ( )里用and还是or?

Don't talk ( )don't play in chess ( )里用and还是or? "Don't talk and play in class"为什么用"and"而不用"or"? Don't eat in class () don't fight in school用and还是or 英语翻译DON'T TALK WITH FRIENDS OR STRANGERS STANDINGNEARBY,PLAY Don't talk and your friends in the library.改错 Don't talk in class,boys and girls,_____? Don't eat in class —— run in the hallways! 填and 还是 or 求解 Don't run and jump in the classroom.Don't run or jump in the Don't talk in class,don't you?翻译 Don't drink or / and smoke 用 or 吧. Don't talk loudly in the hallway. don't talk loud in the library.