第二节：单项填空 (共 15小题，每题1分，共15分)
从四个选项（A、B、C和D）中，选出最佳选项，并在答题纸上将该选项标号涂黑。
16. John asked Tom ____ give him a lift to the office.
A. if he could B. could you
C. if could he D. if could
17. Please ask the salesgirl ____.
A. how much did it cost B. how much it costs
C. how much it costed D. it cost how much
18. Mr. Blake ____ Shanghai in a few days. Do you know when the earliest plane ____ on Sunday?
A. is leaving, takes off B. leaves, takes off
C. is leaving, is taking off D. leaves, is taking off
19. I’ve won a holiday for two to Florida. I _____ my mum.
A. take B. am taking C. have taken D. will have taken
20. – Have you ____ your brother to give up smoking?
-- No. I talked to him yesterday but he would have none of my advice.
A. persuaded B. advised C. promised D. suggested
