33. He glanced at the envelope and ____ his uncle‘s handwriting.

4.

46.The exhibition begins on   46   and lasts for 5 days. 

29. Last summer we visited the West Lake , ____ Hangzhou is famous in the world.

（  ）54. It’s impossible for us to avoid the economic crisis, so we have to learn to live through it.

45. The author’s purpose of writing this passage is to ____.

61. 真正的友谊就像健康一样，失去了才觉得宝贵。

43. Choose the right time order of the following events.a. The first Father’s Day was observed.b. Mother’s Day was proclaimed a day for national observance.c. Father’s Day became a day for national observance.d. The idea of honoring fathers was brought up.

35. I have come to the ____ that it would be unwise to accept his proposal.

18. We all agree that a long dress is appropriate _____ a formal wedding.

49.    , drink-making techniques, equipment and packaging are exhibited in the exhibition.

27. I devote my whole day to ____ the English grammar.