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

32. Bob thought he couldn’t go to the party because he had to write a report, but he went ______.

Conversation 29.

36. Dr. Aiken cut the background from the photos for the purpose of______.

19. You cannot accept an opinion ______ to you unless it is based on facts.

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

28. I have heard a lot of good things about you ______ I came back from abroad.

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

43. In the author’s opinion, _____. 

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

42. It’s implied in the passage that the author may be _____. 

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