M.n giúp em với ạ! 3. It is possible that a child broke the window. A child … … . … … . (breake) 4.You looked at the new moon through glass. It is most unlucky that you ......(100k) 5. I've had a toothache for two days. ∼ ∼ You … … … . . … … … . . (go) to the dentist when it started. 6. As I was standing in the hall your dog bit me. ∼ ∼ It … … … … . … … … … . (not he) my dog; he was with me all day. It … … … … … . . … … … … … . . (be) my brother's 7. I feel terribly ill today. ∼ ∼ You … … … … … … … … … … (not eat) those mushrooms yesterday. Mushrooms don't agree with you.

21.She was dancing wiyh the actor. He lived near my house. 22.The bed had no mattress. I slept on that bed. 24. The woman is ascretăry. We are waiting for her. 26. I missed the train. I usually catch this train. 27. He has just gone to Mr. Lam's house. There is a party there today. 28. I saw several houses. Some of them were uncomfortable. 29. Do you remember the day? We had a class discussion on books then. 30. The tree is very tall. It stands near the gate. 31. She gave me ten books. They are very valuable. 32. I met Jane's father. He works at the university. 34. You've all met Michael Wood. He is visiting us for a couple of days. ... 35. I give her all the money. I have it. 36. We are moving to Manchester. Manchesteris in the north- west. 37. I'll be staying with Adrian. His brother is one of my closest friends.

Chứng minh $x(x-a)(x+a)(x+2a)+a^4$ là bình phương của 1 đa thức

Tìm tất cả các điểm cực tị và xét tính tăng giảm của hàm số

Cho M(3;0) và hai đường thẳng d1:2x – y – 2 = 0 và d2: x + y + 3 = 0.Viết phương trình đường thẳng d qua M cắt d1 ở A , cắt d2 ở B sao cho MA=MB. Em cảm ơn

Bài tập 4: Từ những tâm niệm chân thành của nhà thơ được viết trong hoàn cảnh đặc biệt kết hợp với những hiểu biết của em về xã hội, hãy viết 1 đoạn văn khoảng ½ trang giấy thi trình bày những suy nghĩ của em về lí tưởng sống của thanh niên hiện nay ?

tính diện tích phần tô đậm khi biết cạnh của hình vuông là 4cm

532,3-y:3,8=396,5 97,14:y=21,7-13,8 Y+326,4=462,34 Y:6,8=8,07-1,38

V. Read the passage and answer the questions. Every child in England must receive full time education from the age of five to sixteen. Many parents send their children to state schools where the tuition and the equipment, textbooks and exercise books are free. About 5% of children go to fee-paying school. Under the old system, children attended primary school (from five to eleven) which was followed by a secondary school course (from eleven to fifteen or over. At eleven every child had to sit for the eleven –plus examination. It consisted of tests in English, Arithmetic and intelligence tests. Those with the highest marks (about 20% of the children) went to grammar school. The others went to technical school. 1. When do English children start and finish their full time education? ……………………………………………………………………………...………………… 2. Which schools do many parents send their children to? ……………………………………………………………………………………………… 3. Do they have to buy textbooks and exercise books at state schools? ……………………………………………………………………………………………… 4. What did every child have to do at eleven under the old system? ……………………………………………………………………………………………… 5. Who were allowed to go to grammar school? ………………………………………………………………………………………………

Bài 3: Cho tam giác ABC vuông tại A. Từ A hạ AH vuông góc với BC (H thuộc BC). Kẻ tia AD là tia phân giác của góc CAH (D thuộc BC) và AE là tia phân giác của góc BAH (E thuộc BC). Chứng minh: a) △ADB, △AEC là tam giác cân. b) AB + AC = BC + DE. Giu1p với ạ