1. The doctor’s naughty daughter knocked at the locked door. 　　2. Mike likes to write by the nice bright light at night. 　　3. Farbra burned the brown bread badly. 　　4. Sheep shouldn’t sleep in a shack. Sheep should sleep in a shed. 　　5. Peter Piper picked a peck of pickled pepper prepared by his parents and put them in a big paper plate. 　　6. Who washed Washington’s woolen winter underwear when Washington’s wonderful washerwoman went west? 　　7. I know you know. I know that you know. I know that you know that I know. 　　8. Mr Cook said to the cook: “Look at this cookbook. It’s very good.” So the cook took the advice of Mr Cook and bought the book. 　　9. I thought a thought. But the thought I thought wasn’t the thought I thought I thought. If the thought I thought had been the thought I thought, I wouldn’t have thought so much.