X. Write the questions for the underlined words or phrases. Ex: I get up at six every day. → What time do you get up every day? 1. Minh brushes his teeth twice a day. → 2. Simon is in a lot of pain now because he has a toothache. → 3. I felt sick after eating that food. → 4. Nga went to see the dentist last week. → 5. Dr Lai will check your teeth. → 6. It took Dr Phong 10 minutes to fill Van’s tooth. → 7. My brother is going to the hospital. → 8. Mr. Cuong did morning exercises at 5.30 yesterday. → 9. Hoa received her aunt’s letter five days ago. → 10. There are twelve students in Lien’s class having toothache. → XI. Fill in the blank using the words in the box. Turn left Come in Don’t wait Don’t forget Stop the car! Help me! Have Don’t listen Pass Don’t be late! Open Come Catch Take 1. Don’t wait for me. I’m not coming tonight. 2. an umbrella with you. It’s raining. 3. a rest. You look tired. 4. at the end of the street. 5. I can’t swim! 6. to take your passport. 7. There’s a mouse in the road. 8. to my cocktail party, please. 9. your books at page 15. 10. the salt, please. 11. to that record. It’s terrible. 12. The train leaves at 8 o’clock. 13. and have a glass of lemonade. 14. the first train in the morning.

nước biển chứa 2,5% và một lít nước biển cân nặng 1,026kg. hỏi cần phải làm bay hơi bao nhiêu lít nước biển để nhận đc 513kg muối "?;

Exercise 6: Changed into negative and interrogative form. 1. They used to play tennis twice a week. 2. I used to go to the gym three times a week. 3. Tennis used to be a sport for rich people only. 4. My father used to take me to see soccer games on Saturday. 5. He used to buy a new tennis racket. Exercise 7: Rewrite the sentences with "used to". 1. They often went to Da Lat in the summer. 2. We usually played soccer in the past. 3. I got up earlier when I had work. 4. Tom did his homework in the evening. 5. Lan wrote to Mary twice a month. 6. He worked at night when he worked in the supermarket. 7. Did they watch TV in the past? 8. She played badminton in her free time. 9. They went swimming in the afternoon in 1990. 10. He was a doctor in that hospital.

Cho hthang ABCD (AB//CD) ,có BC=15cm. Điểm E thuộc cạnh AD sao cho AE/AD = 1/3.Qua E kẻ đường thẳng //vs CD, cắt Bc ở F. Tính BF?

giải hệ pt nha mn, mong mn giúp mk

Tìm 2 số tự nhiên mà tổng và tích của chúng đều là số nguyên tố có lời giải cấm chép mạng

Cho 7,25 gam một anđehit đơn chức X tác dụng với lượng dư dd AgNO3/NH3 (phản ứng xảy ra hoàn toàn), thu được 27 gam Ag. Nhận xét nào dưới đây đúng? A. X có 4 nguyên tử H B. X là hợp chất andehit không no C. X có 2 nguyên tử cacbon D. X có 9 liên kết xich-ma (𝛿) trong phân tử

Exercise 5: Choose the best option to fill in the blank. 1. There used to be fewer people and .................. on the roads. A. roofs B. helmets C. helicopters D. vehicles 2. Do you know the .................. in the UK is to keep to the left? A. traffic light B. traffic rule C. traffic jam D. speed limit 3. It is dangerous to ride a motorbike without a .................. A. helmet B. triangle C. tricycle D. circle 4. In Hanoi, during rush hour, some road users ride their motorbikes on the .................. A. driving licence B. lane C. pavement D. seat belt 5. Traffic is terrible during the .................. when everyone is in a hurry to get to work or come back home. A. traffic light B. road sign C. traffic rule D. rush hour 6. The ................ for motorcycles is 40 km/h in towns and 60 km/h outside urban areas. A. speed limit B. driving licence C. traffic rule D. traffic light 7. You must .................. the traffic rules in order to avoid accidents. A. park B. obey C. reverse D. warn 8. It takes us more than three hours to drive across those .................. roads. A. wide B. safely C. right-handed D. bumpy 9. You need a driving licence to .................. A. drive a car B. ride a bike C. get on the bus D. get off the train 10. The large supermarkets in Vietnam often let you .................. free. A. park B. obey C. warn D. find 11. Some vehicles beep when they .................. to warn those behind. A. ride B. reverse C. drive D. sail 12. After school, children queue up and wait for the bus .................. on the pavement in front of the school. A. safe B. bumpy C. safety D. safely

Tính giá trị biểu thức 2/3+5/2-3/4 2/9:2/3x1/2 2:2/3-1/7 Mọi người giải giùm e bài 2 ở dưới nhé nhìn vào ảnh cho chắc chẳng e viết sai đó

Tìm điều kiện xác định của phương trình sau: x/x-1-2x/x2-1=0