35._______ the right decisions ________ the future is probably the most important thing we'll ever do in our lives.

　　 A. Making; concerned　　　　　　　　　　　　　　　　 B. Make; concerning

　　 C. To make; concerned　　　　　　　　　　　　　　　 D. Making; concerning

34.______ the problem of land erosion getting more serious, the government is searching for a way to deal with it.

　　　 A. As　　　　　　　　　　　　　 B. With　　　　　　　　　　　　 C. When　　　　　　　　　 D. If

33. It was in the very house _______ was built with stones ________ he spent his childhood.

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

32. Sometimes we just believe what we see, ________ the reality may be different.

　　 A. even though　　 　　 B. as if　　　　　 　　　 C. since　　　　　 D. unless

31. - What’s the matter? You really look upset.

- __________.

- Well, better luck next time.