17. That is a small classroom.
18. Mary is Peter's younger sister.
19. There are four floors in my house.
20. John is Mr. and Mrs. Black's, son.
21. Mr. Ba gets to work by his motorbike every day.
22. There are six hundred students in my school.
23. Jack is Julia's younger brother.
24. The bank is in front of the supermarket.
25. The children are going to school on foot now.
26. Hung is taller than Nam.
27. Why don't we go camping in Suoi Mo?
28. How much does a bottle of cooking oil cost?
29. Nga usually goes to school on foot.
30. Hoang is the fattest student in my class.
31. When does she go to work?
32. Her favorite food is noodles.
33. How much are these apples?
34. It is a blue car.
35. It's never cold in summer.
36. Are there forty classrooms in Phong's school?
37. The Red River is shorter than the Mekong River.
38. How wide is the Great Wall?
39. Phuong is Nam's younger sister
40. My father usually goes to work by car.
41. My class has forty students.
42. The house is behind the flower garden.
43. We usually go to school by bike.
44. It is a big school.
45. She likes apple juice.
46. How many oranges would you like to eat?
47. How much does a bowl of noodles cost?
48. Our class has many students.
49. What about singing an English song?
CHÚC CẬU HỌC TỐT!!!!