The doctor says that you will end up in hospital _________ you go on smoking like that.
Clean-Up Day is coming. How to let more people know it? We could ______ advertisements(广告)after school.
You could ask the teacher for help. ________________ Teachers are always helpful.
--- My dream is to be a scientist. --- Sounds good. I hope it will .
Would you like to go fishing with me? Sorry. I have lots of homework ____
Linda used ______long hair. Now she has short hair.