21-b

22-c

23-b

24-a

25-d

26-d

27-c

35-b

36-c

37-a

38-d

39-d

40-c

49-d

50-c

81Mai is my best friend at school

82She loves writing and reading short stories

83We often do homework together and she helps me a lot

84She knows a lot about history and we chat it within a few hours

86There is a bed that is just a corner in the room

87the bookshelf is above the closet

88the wardrobe is in the center of the room

89the table is between two chairs

90the lamp is right next to the bed

33-d

31-b

30b

42d

41b

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