40. In ________ he began to learn Spanish, when he was in ________.

　 A. 1970: 40’s　　　　　 B. the 1970: his 40

　 C. the 1970s; his 40　　　 D. 1970; his forties

39. We heard nothing more from him ever after. ________ we began to wonder if he was dead.

　 A. As soon as　　　 B. So that　　　 C. In case　　　 D. As a result

38. –Lishe Airport, please. I’ll be there by 10.

　 –________, but I will do my best.

　 A. I can’t promise　　　 B. No problem

　 C. All right　　　　　 D. It’s impossible

37. –How do you find the newly-built Hangzhou Bay Bridge off the coast of Zhejiang?

　 –________.

　 A. My friend took me there　　　 　B. By chance

　 C. Excited and surprised　　　　 D. wonderful and amazing

36. The young man finally reached ________ called Ningbo in 1997, ________ he became known several years later.

　 A. what is, where　　　 B. what was, when　　　

C. where is, where　　　 D. where was, when