The room must____(clean)twice a day.Sixteen-year-olds __(be)not allowed to drive.分别咋填?

Tom must____(clean)his room every morning i must____(clean) the classroom. The room must____(clean)twice a day.Sixteen-year-olds __(be)not allowed to drive.分别咋填? What's the _______(mean)of the world?Any people mustn;t talk in the reading room.(同义句） Any people must____ _____ in the reading room. Your room is si dirty.You must____ it clean. The people must____(thank)for their help. The wounded boy must____(send)to a hospital at once If you want to cross a street,you must____(wait)for the green light. We must close the windows when we leave.(同义句)We must____ the windows ______when we leave. We can't let the teacher____,we must____.A.down;success B.down;succeed C.angry;successD.angrily;succeed I must____ _____ ____.games. on the room,还是at the room across the room 还是throngh the room? the room 308还是the 308 room live the room THE LIVING ROOM怎么样 go into the room live ---- the room