tìm lỗi sai và sửa 6. That’s my sister over there. She stands next to the window. A B C D 7. Tom can’t listen to music because his CD player was broken. A B C D 8. We couldn’t hear the teacher because the students was very noisy. A B C D 9. Robots can work everywhere on the world, including on the seabed or in a volcano. A B C D 10. Teaching robots can explain the lessons again or help students on their homework. A B C D 11. A robot can builds houses, apartments and offices. A B C D 12. Scientists are working on how to invent a intelligent robot. A B C D 13. The children can work in groups when they were at school yesterday. A B C D 14. Children couldn’t stayed at home alone when they were 5 years old. A B C D 15. I don’t agree of you that a robot will be able to understand what people say. A B C D 16. Vy is really excited with her first day at school. A B C D 17. There are a living room, three bedrooms, a bathroom and two toilets in my house. A B C D 18. Iam going to Hoan Kiem Lake watching fireworks tonight. A B C D 19. Tom is a talkative student. He never talks in class. A B C D 20. There are many good restaurant and amusement parks in our neighborhood A B C D