1 , We go to school six days......
A week               in a week          on a week
2 they are very interested .... literature
On                 at                               in
3 We study about different countries in ............class
Literature         geography              history
4 Ba learns to repair household appliances in.......... class
physics                electronics           biology
5 in language class, students study ......................
English            physics              geography
6 in................., we learn how things work
math                  chemistry                physics
7 in....................... we study past and present events in Viet Nam and around the world
geography                      chemistry                  history
8 we write essays in....................class
geography                   chemistry                    literature
9 students are talking and phaying excitedly during...................
class                     recess              lesson
10 They are eating and drinking as ..........................as chatting
good                better                           well