11 are phong's school have forty classrooms
12 the red river is shorter than the mekong rive
13 ko bt nhé
14 phuong is nam's brother
15 ko bt nhé
16 my class has forty students
17 the house is behind the flower garden
18 we usually go to school by bike
19 it is a big school
20 she likes Apple juice
Xin lỗi nhé muộn rồi mình buồn ngủ rồi ko giúp bn dc nữa