the singn tells us,"no_____(litter)"

The c()tells us time this sign tells us the exit___the restaurant The sign says:"No_____(smoke)!" litter the The teacher often tells us ( ) the classroom clean and tidy. 根据首字母填空 The teacher tells us a t___story Mr Green tells us the meaning of___and life.(grow) It is raining .our teacher tells us _____in the playground. The story tells us the___of life.(true)求救! on the way home ,Jane tells us joke the teacher tells us _____(be) late for school The teacher tells us not ______a hat in class.