Past simple or past perfect GOOD LUCK, BAD LUCK các từ cần điền: Be, become, begin, buy, faint, give, hear, look, remember, tell, win That Saturday was both the happiest and the worst day in Jack’s life. It was the happiest because he ______the lottery and the worst because he couldn’t find his lottery ticket! After he and his wife (2)___________everywhere for it, he (3)___________to panic. Then he (4)___________something. On the day he (5)_________the lottery ticket, he had been wearing his old brown jacket. The ticket (6)________in the pocket! As soon as he (7)_______his wife, her face (8)___________white. The previous day, she (9)________away the jacket to a lady who collected clothes for the homeless! Jack (10)________never before in his life but as soon as he (11)___________this, he did! (continued in the next…)

Read the passage carefully. Some people call it “Vu Lan Bao Hieu” (Parents’s Appreciation Day). This festival takes place on the 15th day of the seventh lunar month. It is one of the largest festivals of Viet Nam afetr the Tet festival, and it is celebrated throughout the country, especially in the south. During the festival, people participate in many goodwill acyivities and perform various religious rituals. They visit pagodas and temples to worship, release animals like birds or fish abd burn incense. They also buy presents and flowers as their offerings to show their deep love and gratitude towards their parents and ancestors. Many people go to pagodas on this occasion, wearing either a red rose if their mothers are alive or a white rose if their mothers have passed away. The rose is a symbol of love and gratitude shown by every family towards their ancestors. Statements T F 1. Vu Lan takes place on the 15th day of the seventh lunar month 2. Vu Lan is celebrated only in the south 3. Vu Lan is the largest annual traditional festivals of Viet Nam 4. People buy presents and flowers as their offerings to show their deep love and gratitude towards their parents. 5. Many people visit pagodas during the festival, wearing a red rose if their mothers are alive.

Rút gọn phân thức 6x(3x+7)-2x(9x-5)

I. Use the words and phrases to write a passage. 1. In/ 1970s, skateboarding suddenly/ become very popular. 2. At first, skateboarders/ move slowly/ flat, smooth areas. 3. Then they/ begin/ ride quickly. This/ be called “freestyle” skateboarding. 4. Soon they/ be skateboarding skillfully up ramps/ doing tricks in the air. 5. This/ be called “ramp” skateboarding. Then they/ start skateboarding/ doing tricks/ the street. 6. This/ be “street-style” skateboarding - a combination of freestyle/ ramp. 7. For this, the skateboarders/ need protective clothing/ as knee and elbow pads/ helmets. This/ allow them/ skateboard safely. 8. Today skateboarding is still/ very popular sport, and there/ are lots of competitions.

cho tam giác abc, trung tuyến ad, be, cf. trong đó ad vuông góc be, ad=3; be=4. a) vẽ k sao cho d là trung điểm ek. cm afkd là hình bình hành b) tính cf giúp mình với!!!!!!!!!!1

Calli: Khi Anh Qua Thung Nũng ~~

Chứng minh các biểu thức sau không phụ thuộc vào giá trị của biến a, x ( 2x + 1) - x^2 ( x +2 )+ x^3 - x + 3 b, x (x^2 + x + 1 ) - x^2 ( x + 1 ) - x + 5 c, x 4 ( 6 - x ) + x^2 ( 2 + 3x ) - x ( 5x - 4 ) + 3x^2 ( 1 - x ) Giúp em zoii moi nguoi ưiii =((

giúp em với mọi người ơi 8. He regretted not having followed his advisor’s recommendation that he ……….the class. a. dropping b. might drop c. drop d. dropped 9. The committee recommended that the company …………..in new property. a. must invest b. could invest c. invested d. invest 10. He insists that a meeting …………..as soon as possible. a. would be held b. be held c. is held d. hold 11. The clients demanded that the doctor’s office ………………earlier a. opening b. opened c. open 12. What would you suggest that he ………………..? d. to open a. will do b. would do c. do 13. It is necessary that he ………………a certificate in English? d. did a. will get b. gets c. get 14. I demand that I …………….to retake the exam. d. would get a. be allowed b. am allowed c. will be allowed 15. It is imperative that the crew ……………….the ship before it is too late d. were allowed a. should leave b. leave c. A-B 16. It is our wish that she …………………..in her life. d. should be left a. succeeds b. succeed c. succeeded 17. The king ordered that Gulliver ………………..set free. d. will succeed a. be b. is c. will be 18. It is essential that Mary ………………..speak English. d. would be a. be able to b. is able to c. was able to

Fill in the blank with ONE correct word from the list moving earthquake away Although because A powerful ___________(1)struck the north-east of Japan at 4 p.m. last Monday. _________(2)Japan has the most advanced warning system, there had been no early warning for this one and people were not prepared. Suddenly the ground started __________(3). The shaking continued for a few minutes and became stronger. People began running ________(4) from buildings as walls started to collapse. Help!

Câu 13: Tính phần trăm khối lượng của mỗi chất trong hỗn hợp: 1) 500 ml dung dịch X gồm HCl 0,5M và H2SO4 0,2M. 2) 800 ml dung dịch X gồm NaCl 0,2M và NaNO3 0,5M 3)8,96 lít hỗn hợp khí X ở đktc gồm O2 và CO2, trong đó có 2,24 lít khí O2. 4) 11,2 lít hỗn hợp khí X ở đktc gồm NO và NO2, trong đó có 4,48 lít khí NO Giải giúp e vs