3. 状语从句(10)

C. until D. if

46. ______ there is a snowstorm or some other bad weather, the mail always comes on time.

(2007上海春)

A. Because B. If

C. When D. Unless

47. My parents live in a small village. They always keep candles in the house ______ there is a

power cut.（2007-重庆）

A. if B. unless

C. in case D. so that

48. The field research will take Joan and Paul about five months; it will be a long time _____ we

meet them again.（2007-安徽）

A. after B. before

C. since D. when

49. Many of them turned a deaf ear to his advice, _____ they knew it to be valuable.（2007-浙江）

A. as if B. now that

C. even though D. so that

50. ____ you have tried it, you can’t imagine how pleasant it is.（2006-北京）

A. Unless B. Because

C. Although D. When

51. If you are traveling the customs are really foreign to your own, please do as the

Romans do.（2006-天津）

A. in which B. what

C. when D. where

52. ____ he has limited technical knowledge, the old worker has a lot of experience.（2006-全国I）

A. Since B. Unless

C. As D. Although

53. In peace, too, the Red Cross is expected to send help _____ there is human suffering.（2006-

江西）

A. whoever B. however

C. whatever D. wherever

54. How can you expect to learn anything ____ you never listen?（2006-山东）

A. in case B. even if

C. unless D. when

55. ---- How long do you think it will be ______ China sends a manned spaceship to the moon?

---- Perhaps two or three years. （2006-福建）

A. when B. until

C. that D. before

56. Much of the power of the trade unions has been lost. be very great.（2006-广东）

A. As a result B. As usual

C. Even so D. So far

57. "You can't have this football back man said firmly.（2006-广东）

A. because B. since

C. when D. until

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