7.

36. We learn from the passage that navigation computers ____.

27. Last summer we visited the Great Wall, ____ Beijing is famous in the world.

( )12. Mr. Richard’s relatives prefer to live in his house because his house is much cheaper than staying in hotels.

44. According to the passage, which of the following sentences is NOT true?

50. Can you find true friendship if you’re involved in too many activities? Why?________. Because building a new friendship_________________________________________.

26. So loudly ____ that every one of the class could hear him.

28. Still, in their journal articles, these researchers are ____ about telling people to give up dieting.

19. They ____ from the university by the end of this month.

4.

20. We are looking forward to ____ you again.

22. The village ____ my grandfather grew up is not far from town.