Giúp em với ạ em đang cần gấp ạ,em cảm ơn! Cho tam giác ABC nhọn có M,N,P lần lượt là trung điểm AB,AC,BC a) Chứng minh tứ giác BMNC là hình thang b) Cho cạnh AB=6cm. Tính độ dài đoạn NP

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Change these sentences into reported speech 1.The farmer said,: I hope it will rain tomorrow. -------------------------------------------------------------------------------------- . 2.He said to her : You are my friend. .................................................................................................................. . 3.Jone said to his mother: I dont know how to do this exercise. .................................................................................................................. . 4.Paul said : I must go home now. .................................................................................................................. . 5.Mary said ; My father died a year ago. ................................................................................................................... . 6.Be modest if you are a good pupil. Said my father. ................................................................................................................... . 7.She said to us: Shut the door but dont lock it. ..................................................................................................................... . 8.Please help us. They said to us. ...................................................................................................................... . 9.Tom said to us: New york is bigger than London. ....................................................................................................................... . 10. Dont take two of them at once. Said the doctor to the patient. -...................................................................................................................... . 11. She asked him: What are you doing, now? -...................................................................................................................... . 12. Lan said to them : Are you doing your homewprk. -..................................................................................................................... . 13. Would you mind opening the door? Lan asked Tom. -..................................................................................................................... . 14. When will the teacher correct these mistakes? -Hoa asked ................................................................................................... . 15. Did you do these tests last night?Shr aksed his students. -.................................................................................................................... .