25. I keep the picture where I can see it every day, _____ reminds me of the days in my hometown.

31. Many businesses started up by college students have ______ thanks to the comfortable climate for business creation.

29. ______ is known to everybody, the moon travels round the earth once every month.

（ ）13. The products of company are sold only at home.

（ ）12. The company was set up 15 years ago.

Conversation 29.

47.You can get the bacteria under control by bathing with your soaps ______ for two weeks.

45. Which of the following is WRONG according to the passage?

38.The underlined word “imitate” has a similar meaning to ______.

39. From the passage we can draw the conclusion that ______.

18. —John, What ______ in your hand?—Look! It‘s a birthday gift for my grandma.

50. Try to eat light and avoid greasy,______ and salty food because it adds toxins to the body.