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12. Dr.Nelson said that every home would have atr least one robot to perform any boring task.
13. Nicka ssked his teacher if the astronauts had ever forgotten anything from the Earth.
14. Mai asked Dr.Nelson where they could look for life.
16. Mi ased the teacher if Mars had ice under its surface.
17. Nam said that his father was an engineer in that factory.
18. Nam said that his grandparents were living in Bao loc then.
19. Hoa said that she could do those exercises.
20. Ba said that his mother often went to the market by motorbike.
21. The visitor asked Minh if he could speak English with her.
22. Nien asked Hoa if she had many new friends there.
23. My father asked me if I would have the first-term test the next week.
24. Hoa asked Lan if Petronas Twin Tower was the tallest building in the world.
