. 1.Nobody has used this room for ages. ->……………………………………………… 2 No one can solve that problem. ->……………………………………………………………… 3.. No one told us the news. ->………………………………………… 4. . Paul didn’t tell me the ending of the story. ->…………………………………………………… 5.. The teacher will give her a prize if she works well. ->…………………………………………… 6 . Her mother bought her a doll last week. ->……………………………………………………… 7. The police found the robber in the forest yesterday. ->…………………………………………… EX 3 1.My father waters this flower every morning. 2.John invited Fiona to his birthday party last night. 3.Her mother is preparing the dinner in the kitchen. 4.We should clean our teeth twice a day. 5.Our teachers have explained the English grammar. 6.Some drunk drivers caused the accident in this city. 7.Tom will visit his parents next month. 8.The manager didn’t phone the secretary this morning. 9.Did Mary this beautiful dress?

Các anh chị ơi giúp em với :(((( 1. A new school_______. They hope to finish building it next month. A.Is being quit B.has been built C. is build D. was built 2.We object_______ your your leaving dinner to take phone calls A. for B. on C. to D. with 3. This shirt is_______that one A. a bit less expensive B. as much expensive as C. not nearly as expensive as D. much far expensive than 4. Please take all personal belongings with you________leaving the train A.When b.Whom C.Which D.What 5.It is still unclear________the Mayor will accept the recommendations of the City Council A. yet B. about C. before D. whether 6.The PTA________parents and teachers who support the school by fund raising and other activities. A. which group of B.that is a group for C.it is a group of D.is a group of 7.We are considering having ________ for the coming New Year. A. redecorated our flat B. to redecorate our flat C. our flat to be redecorated D. our flat redecorated 8.In Vietnam, two or more__________may live in a home. A. generations B. generous C. generalizations D. generators 9. In a formal interview, it is essential to maintain good eye___________with the interviewers. A. contact B. touch C. link D. connection 10.Too many factories dispose_________their waste by pumping it into rivers and the sea A. out B. of C. away D. off

Tính % khối lượng mỗi nguyên tố có trong các hợp chất sau: P2O5,Al2(SO4)3

Do you remember the day? We first met each other on that day.

V. Choose the sentence (a, b, c or d) that is almost the same in meaning as the sentence given. 26 Alexander Graham Bell invented the telephone in 1876. a. The telephone is invented by Alexander Graham Bell in 1876. b. The telephone was invented by Alexander Graham Bell in 1876. c. The telephone in 1876 were invented by Alexander Graham Bell. d. The telephone will be invented by Alexander Graham Bell in 1876. 27 We are interested in protecting environment. Our teacher is pleased. a. Our teacher is pleased that we are interested in protecting environment. b. We are interested in protecting environment that our teacher is pleased. c. Our teacher is pleased to protect environment. d. Our teacher is pleased to be interested in protecting environment. 28 My father bought this house 2 years ago. a. This house was bought by my father 2 years ago. b. This house bought by my father 2 years ago. c. This house were bought 2 years ago. d. This house 2 years ago is bought by my father. 29 The car is very beautiful. It is made in Japan. a. The car is very beautiful made in Japan. b. The car made in Japan is very beautiful. c. The car making in Japan is very beautiful. d. The car is made beautiful in Japan. 30 People will melt the small glass pieces under the great heat. a. The small glass pieces will melted under the great heat b. The small glass pieces will be melt under the great heat c. The small glass pieces will be being melted under the great heat d. The small glass pieces will be melted under the great heat

My grandmother had always wanted to watch Khanh Ly _________(PERFORMANCE) live once, but she could never afford to.

VIII. Read the passage and choose the letter A, B, C or D to answer these following questions THANKSGIVING DAY Thanksgiving is a national holiday celebrated in Canada and the United States as a day of giving thanks for the blessing of the harvest and the New Year. It is celebrated on the second Monday of October in Canada and on the fourth Thursday of November in the United States. The first Thanksgiving celebration was held in 1621. Traditional foods are turkey, sweet potatoes, fruits and vegetables. Many people have pumpkin pie for dessert at the end of the meal. It is the time for counting our blessings we have received during the year and being with our families and friends. 41 Thanksgiving is a national celebration of Canadians and Americans. a. True b. False c. d. 42 It is celebrated on 2nd Thursday of November in America. a. True b. False c. d. 43 It was first held in 1621 a. True b. False c. d. 44 a. Pumpkin pie is one of the traditional foods on Thanksgiving Day. b. True c. False d. 45 Traditional foods are turkey, sweet potatoes, fruits and vegetables. a. True b. False c. d. IX. Choose the word or phrase (A, B, c or D) that best fits the blank space in the following passage? Technology has advanced to the point where instant communication anywhere in the world is an everyday fact of life. Technology has improved, and has a positive impact on communication as a whole in many (31) __________ . It has increased the reliability of sending messages to others, made it easier to meet new people and keep (32) __________ touch with friends. Modern communication is handled by wireless signals, undersea cables, satellites and other (33) __________ technology, ensuring the fast delivery of messages and data to any locations. The accessibility of technology also means that you don’t need to be in any special locations like a post office or mail room to send a message; all you need is a cell phone. Online communication has (34) __________ the door to new ways of communicating with strangers and taking part in communities. Chat rooms, (35) __________ forums and dating sites let people meet each other and get to know more people without having to be there in person. 46a. methods b. means c. forms d. ways 47a. on b. out c. for d. in 48a. advanced b. high c. simple d. basic 49a. opened b. closed c. been opened d. been closed 50a. channel b. discussion c. cyber d. media

các ah cj giúp e vs ạ . e cảm ơn nhìu

3 căn bặc 2 của x+5+căn bậc 2 của 3-x=4

xét dấu các biểu thức sau gấp hộ em với 50 đ vote đầy đủ ạ