40.If you live in the countryside , ____ are that you have heard birds singing to welcome the new day.

A. situations　 B. facts　 C. chances　 D. possibilities

39.Since he has made such good preparations , there ______be any difficulty in winning　 the first prize.

　　 A. mustn’t　 B. shan’t　 C. shouldn’t　 D. needn’t

38. He is　 a man who is difficult ____.

　A. to satisfy with B. to be satisfied with C. to satisfy D. to be satisfied

37. ---Where is my new football shoes, Mum? I need them to play football with my friends.

　---I haven’t seen them. You ____ somewhere in your room.

　A. ought to put it　 　B. might put it　 　C. must　 put it 　　D. may have put it