8. The war ______ out in 1935. (break)

7. It’s dangerous. Something must ______ to stop them. (do)　　

6. It’s a very interesting book. It ______ very well. (sell)

5. He said that his wallet ______ in the bus. (steal)　

4. He is a good teacher and ______ by all of us. (love)

3. I ______ to post the letter, but I forgot. (tell)　

2. The book ______ by a famous singer 30 years ago. (write)

1. Her house ______ last year. (sell)　　

20. The bike is nice. How much _____ it _____? (cost)

　用所给动词的适当语态填空：

19. What ______ you ______ at five yesterday afternoon? (do)