we must (be)quiet in the reading room.

We must be quiet in the library. We must be quiet in class.(改为同义句)We( )( )( )quiet in class. we must _____(be) quiet in the library. we must (be)quiet in the reading room. Do we ____ (must,have to) be quiet in the shool library? 同意表达we must keep quiet in the library we must keep quiet in class.同义句 We have to be quiet in the library划线提问（ be quiet ） We should be quiet in the library.(改为祈使句） PLEASE _____(BE) QUIET WHEN WE ARE IN SCHOOL BUILDINGS to,have,be,the,library,do,we,quiet,in(?) We have to be quiet in the library改为祈使句 we should be quiet in the library.改为祈使句 We must keep quiet in the library(句意不变）We mustn't________________________________ please don't talk___in the library.We must be quiet here.填空急现在就要! please be quiet.you must sit in the classroom( )A.quiet B.quietly C.loud D.loud ________(not talk)!We must ________(is) quiet in the library. 把We must keep quiet in the library改成一般疑问句