... birthday is Friday, December, 20th.a. in b. at c. on5. We have four today.a. classes b. class c. period6. The class at 7 oclock in the morning.a. start b. starts c. ends 7. Mai learns to ... sẵn: finish, last, classes, at, interested, computer Science, week, grade.Mai is a student Quang Trung school. She is in 7. She goes to chool six days a from Monday to Saturday. always begin ... is a good boy2. She is an intelligent girl.3. They are delicious cakes.4. They are bright rooms.5. It is an old house.6. These childen are very naughty.IV. Sử dụng so sánh hơn hoặc cao nhất...