Khối lượng nước cần dùng để pha chế 200 gam dung dịch CuSO4 có nồng độ 7,5 % Cảm ơn ạ

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17. “Have the astronauts ever forgotten anything from the Earth?” Nick asked his teacher.  Nick asked his teacher 18. “The astronauts on the ISS use a 3-D printer on board to print certain objects,” the teacher answered Nick.  The teacher told Nick 19. “Where can we look for life?” Nga asked Dr. Nelson .  Nga asked Dr. Nelson 20. “Ganymede, the largest moon of Jupiter, has a large salt water ocean,” the teacher said.  The teacher said II. Put these sentences into the reported speech. 1. He said to her, “You are my friend.” ………………………………………………………………………………………………………………………………… 2. Johnny said to his mother, “I don’t know how to do this exercise.” ……………………………………………………………………………………………………………………………………. 3. “Don’t come back before one o’clock”, advised my brother. ………………………………………………………………………………………………………………………………………. 4. “Cook it in butter”, Mrs Brown said to her daughter. ………………………………………………………………………………………………………………………………………. 5. The pupils said “Teacher, give us better marks, please.” ………………………………………………………………………………………………………………………………………….. 6. My friend said, “Are you going to leave tomorrow?” ………………………………………………………………………………………………………………………………………….. 7. “Have you done your homework?”, said my mother. …………………………………………………………………………………………………………………………………………. 8. I asked Bill,” What time did you go to bed last night?” ………………………………………………………………………………………………………………………………………… 9. Paul said, “I must go home now.” …………………………………………………………………………………………………………………………………………….. 10. “There is an accident”, said the policeman. …………………………………………………………………………………………………………………………………………….. 11. “We are waiting for the school bus”, said the children. ……………………………………………………………………………………………………………………………………………… 12. “Must you go now?” said Mr Brown. ………………………………………………………………………………………………………………………………………………… 13. “Are you going to visit your aunt tomorrow?” asked Tom. ……………………………………………………………………………………………………………………………………….. 14. “Listen to me and don’t make a noise,” said the teacher to his students. ……………………………………………………………………………………………………………………………………….. 15. “Tin tired of eating fish”, said Mary to Helen. ………………………………………………………………………………………………………………………………….. 16. “The sun always rises in the east,” said Peter. ……………………………………………………………………………………………………………………………. 17. “I didn’t steal your fur coat yesterday,” said Samny to Jean. …………………………………………………………………………………………………………………………………….. 18. “You must do your homework everyday”, said Miss Lan to us. ………………………………………………………………………………………………………………………………………….. 19. “Will we read the story?”, Bill asked his teacher. 20. “I don’t know where Alice is,” said Vicky. 21. Mary asked me “Can you tell me why you are so sad?” 22. “Will you please find out when he last wrote to me?” Jane said to her friend. 23. “You must decide what you want to do”, she said to her daughter.