17. Nowadays we r____ increasingly ____ computers for help.

16. My money is r_______________. I must go to the bank to draw some of my savings out before I have none in hand.

15. In drawing up the plan, they went to the library to _______________(查阅) many books.

14. I tried to contact him but was u_______ to.

13. The price of fuel is going up because of v______________ reasons.

12. The Roman Empire e____________ for several centuries before it became extinct.

11. All passengers are r________________ to show their tickets when boarding.

10. They made a silent _______________(交换)of smiles.

9. They can’t afford to e_____________ their labs properly because of lack of funds.

8. The project to be a_______________ by the end of 2007 will expand the city’s telephone network to cover 2,000,000 users.