41. It is known to all that 　　　　　you exercise regularly, you won’t keep good health .

　 　A．unless 　 　　　　　B．whenever 　C．although 　　　D．if (NMET2005 Chongqing)

40. ________, I have to put it away and focus my attention on study this week.

　 A. However the story is amusing　 　　B No matter amusing the story is (Shanghai04 spring)

C. However amusing the story is　 　D. No matter how the story is amusing

39. Parents should take seriously their children’s requests for sunglasses _________ eye protection is necessary in sunny weather.　　　　　　　　　　　　　 　　(Shanghai2004)

　 A. because　　　 B. through　　 　 C. unless　 　 D. if

38. Jasmine was holidaying with her family in a wildlife park _____ she was bitten on the leg by a lion.　　　　 　A. when　　 B. while　　 C. since　　 　　D. once　　 (Shanghai2004)

37. We were told that we should follow the main road 　　　　we reached the central railway station.　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　

　 A．whenever 　 B．until 　　　 C．while 　　 D．wherever (Liaoning 2004)

36. You should try to get a good night’s sleep 　　　　　much work you have to do.

　 A．however 　　 B．no matter 　 C．although　　　 　D．whatever　　 (Hubei 2004)

35. -Scientists say it may be five or six years　　　　 it is possible to test this medicine on human patients. A．since　 B．after　　　　　　　 C．before　　　　 D．when　　　　 (Fujian 2004)

34.　　　　　 I accept that he is not perfect, I do actually like the person.(Jiangshu 2004)

　 A. While　　　　　 　　　　　　 B. Since　　　　 　　　　　　　 C. Before　　 D. Unless

33. It was evening______ we reached the little town of Winchester.　　　　 (Tianjin 2004)

　 A that　　　　 B until　　　　 C since　　　 D before

32. _______ I can see, there is only one possible way to keep away from the danger.

　　 A. As long as 　　 B. As far as 　　　C. Just as 　 　　D. Even if (Beijing 04 spring)