15. — Our country ______ very fast. — Yes, I hope it will be ______. Р A. has changed, better and better B. is changed, better and better Р C. is changing, stronger and stronger D. has changed, more and more strongР16. The wind was blowing strongly. ________ people walked in the street. Р A. Little?B. A little?C. Few D. A few Р17. Hurry up. There is ________ time left. Р A. a little?B. little C. a few?D. FewР18.I have to wait for the traffic lights to ______ green .Then I can go on walking.Р A. change B. changed C. change to D. changing into Р19. The driver was badly hurt _____ of the traffic accident. Р A. at a result B. in the result C. with the result D .as a resultР20. We must plant more trees after we _____ every year. Р A. cut off them?B. cut them off C. cut down them D.cut them down