15. The house was b_______ to the ground, it was completely destroyed by fire.

14. This bridge is under c__________ now and will be completed next year.

13. There are many kinds of vegetables, like c_________, potatoes and so on..

12. It is wrong to c________ in the class, for the other students are reading attentively.

11．This corridor c________ with the living room.

10．Tobacco is taxed in most countries, a_______ with alcohol.

Part 2: (page 11---20)

9. It will take you half an hour to get to the station, a________ for traffic delay.

8. The visitors a________ the beauty of the natural park so much that they visited it a second time.

7. I was pleased that he gladly a_________ our invitation.

6. He told me about his a___________ on the lonely island.