40.The survey shows that urban students spend about twice ___ money the ones from rural areas do.

　 A. the amount of　　　　 B. more than　 　　　　C. as more as　　　　　 D. as much as

39.Partly _____ about his lost love, he occupied himself with office work.

　 A. forgetting　　　　　 B. to have forgotten　 　　C. having forgotten　　 D. to forget

38.We had planned to arrive at the park at 9 in the morning, but the car _____ halfway.

　 A. broke away　　　　 B. broke down　　　　 　C. broke up　　　　　 D. broke into

37._____ you arrive in Ireland, you will quickly find yourself on the beautiful country roads.

　 A. Since　　　　　　　 B. While　　 　　　　　C. Once　　　　　　　 D. Until

36.We were caught in the heavy traffic jam. Otherwise, we _____ on time.

　 A. would have arrived　　　　　　　　　　　 　B. arrived

　 C. must have arrived　　　　　　　　　　　 　　D. should arrive