it is our duty_(clean)up the rubbish around

they keep the streets clean by picking up rubbish _________d 改错:1.There is some rubbish on the floor.Could you pick up it it is your turn to clean-up还是 clean up it is your turn to __ the room.Aclean B clean up C clean off They keep the streets clean by picking up rubbish.（划线部分在by p OK,help is just around the corner and it is up to you to see 英语语法pick the rubbish up 还是pick up the rubbish clean it up 还是 clean up it To make the river clean,rubbish must _____(not throw)into it The city park is not clean.We need to help () it ().A set；up your room is dirty.please___.A.clean up it B.clean it up. Don`t d( ) the rubbish here.It is not allowed