Hình bình hành ABCD có đường chéo AC > BD . Vẽ AM ⊥ BC tại M, AN ⊥ CD tại N. Chứng minh AB.MN = AC.AM vote ne

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Exercise 1: Rewrite the sentences, using the words provided 1.Nam’s mother said :“ Nam, you shouldn’t spend so much money on gambling” (advise) 2. He said : “ Remember to book a table in advance.”(remind) 3. Mary said to her son “ Fasten your seat belt”(tell) 4. “Please come to our wedding,” John said to his boss.(invite) 5. “Could you possibly give me a lift to the next village?” She said. (ask) 6. “Please don’t drink any more wine,” his wife said.(beg) Exercise 2. Use the suitable forms of the following verbs to rewrite the sentences. Advise, invite, promise, remind, suggest, threaten, beg, 1. The mother said to her son: “Don’t forget to take your passport.” 2. Anne told Susan : “Would you like to stay for dinner with us ?” 3. Peter said to his sister : “ I wouldn’t tell anyone the story if I were you.” 4. The robber said to the old lady. “ I’ll kill you.” 5. Bob said to his brother : “ I’ll help you with your homewor Exercise 3: Complete these sentences, using the words provided 1. "I will get myself a drink," she said. She said......................................................... 2. Would you like me to help you with the cooking, Tom?” Laura said. Laura offered ............................................ 3. Mr. Gray said, “Don’t play in the street!” Mr. Gray requested the children .............................. 4. “Would you like to come on a picnic with us?” he said. They invited ....................................................... 5. “You ought to take a break, An.” She advised......................................................... 6. “Don’t forget to go to the supermarket after work.” They said They reminded .................................................... 7. “Why don’t we sing a few songs?” He suggested ............................................ . 8. “I’ll finish the work by the end of this week.” John promised ........................................