【正文】
h. 6. He a_______ having read the letter before and had known its contents early. 7. Many of the books in their library were d_______ by the big fire a few days ago. 8. People should walk on the p_______ not in the road. 9. The railway passes through a big t______. 10. What are the f_____ in all for two of us from Guangzhou to Beijing by