25. In all kinds of competitions, Jackie ________ a most excellent athlete. He has won so many gold medals.

A. practises　　　　 B. conducts　　　　 C. behaves　　　　 D. proves

24. _________along the quiet road at forty miles an hour, and then an old man suddenly started to cross the road in front of me.

A. Driving　　　 B. when I was driving　　　 C. I was driving　　 D. Having driven

23. --The weather has been very hot and dry.

　 -- Yes. If it had rained even a drop, things would be much better now. And my vegetables　　

　　　 　　　　　　.

A. wouldn’t die　　　 B. didn’t die　　　 C. hadn’t die　　　 D. wouldn’t have died.

22.--Have you finished the book?

　 --No. I’ve read up to　 　　　　　the children discover the secret cave.

　A. which　　　　 B. what　　　　 C. that　　　　　 D. where

20.

19.

18.