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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