Johnny, you _________play with the knife, you_________ hurt yourself. 

---________ we clean the classroom at once? ---No, you________. You ________clean it after school

Please read _____ so that I can hear you. 

—Why don’t you wear your jogging shorts, mum?—Well, my legs are too skinny, if you ______ know. 

If you ______go，at least wait until the rain stops．