40. --- I think the Internet is playing an important role in our daily life. Don’t you think so?

--- Yes, ______.

A. Great minds think alike　　 　　　 B. Early birds catch worms

C. Facts speak louder than words　　　 　 D. No pains, no gains

39. Let’s discuss the problem _______ a bottle of wine.

A. during　　　　　　　　　　　　 B. over　　　　　　　　　　　　　　　　　　　　　 C. for　　　　　　　　　　　　　　　　　　 D. upon

38. -Some English idioms are difficult to understand.

-Exactly, ________ you know the meaning of each word.

A. if only 　　 　　 　　　　 　　 B. even if　　　　　　　　　　 　 　　 C. as if　　　　 　 　　　　　　 　　　　 D. now that

37. We need many teachers devoted ______ our children how to learn so that they may finally lead successful lives.

A. teaching　　　 　B. to teach　　 　　C. to teaching　　　 　D. for teaching