用所给词的适当形式填空

41. It's  ▲  (正常的）to feel nervous on your first interview.

42. --What do you think of our first suspect, Wang Gang?

   ---He seems to be a nice man. I don't think he's    ▲   （有罪）.

43. I don't think Xie Yiming is    ▲   （参与）in this kidnapping.

44. The thief ran very fast and    ▲    （消失）in the dark at once.

45. Three    ▲   (四分之一) of  the surface of the earth is covered with water.

46. I went to the shop to buy a newspaper, but they had  been  ▲   ( 出售 ) out.

47. Everybody should  ▲   (积极)join in this charity to raise money for the poor.

48. --- Woo! You've got so many skirts.

   --- But   ▲   of them is in fashion now.

49. -- You look worried, Daniel. What's the matter?

   ---I have a problem and I don't know how to    ▲    with it.

50. Why don’t you do it by yourself ?

   Well, I don’t think I’m    ▲    to . I need help.

  用下列所给词的适当形式填空，使短文完整正确。

   Do you like running? Running is __46__one of the most popular activities these days. Many of us run for our___47___. Doctors say many of the health problems come from such bad habits as eating too ___48___,drinking too much, smoking, staying up late and not having enough exercise. Doctors tell us, “Eat less, don’t smoke, have enough sleep and exercise more.” Running is good exercise because it __49___build a strong body. It also helps many people lose weight. One 25-year-old woman teacher runs for half an hour in the morning five ___50__ a week. She runs to lose weight. “I feel comfortable and I’m not fat any more,” she says.

Running is good for health in other ways ,too. Many __51__ say running makes some small health problems go __52___. “Running is my doctor,” says one man.

 Running can also help people to __53__. “After school, I like to run for ten minutes. Then I feel __54__ and energetic,” says Yang Li, a middle school student. So today men and women of all ages enjoy running.

  Do you want to __55__fit? Come on! Let’s join in the running!