user-avatar
nguyentienhiep1984
2 năm trước
Địa điểm A cách địa điểm B là 54km. Nếu cùng một lúc An đi từ A, Bình đi từ B ngược chiều nhau thì sau 3 giờ sẽ gặp nhau. Tính vận tốc của mỗi bạn biết mỗi giờ An đi nhanh hơn Bình 6km
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

III. Choose the best answer A, B, C or D to complete the sentences below 1. Listen! Someone______ at the door. a. are knocking b. is knocking c. knock d. knocks 2. ________. I forgot my calculator. a. Oh dear b. I see c. You’ll see d. That’s OK 3. I’m excited _________ our first day at school. a. in b. with c. about d. for 4. Let’s _______ our school uniform and go to school. a. take off b. wear on c. put off d. put on 5. Get up, Tom. We ________ to school, today. a. are going back b. going back c. go to back d. are going to back 6. I meet my friend ______ my way to school a. in b. on c. at d. with 7. Do you ______ your things with your classmates? a. share b. help c. put on d. wear 8. My school is _______ by mountains and green fields. a. surrounding b. surround c. surrounded d. surrounds 9. How do you get to school every day? – ___________ a. By bike b. On foot c. I walk to school d. all are correct 10. I ______ my homework with my friends. a. Play b. have c. do d. all are correct 11. Students live and study in a ____________ school. They only go home at weekends. a. Boarding b. international c. creative d. small 12. ________ does Mai usually cook dinner? – At 5 pm. a. What b. When c. What time d. Why 13. They are healthy because they _______ every day. a. Play chess b. do judo c. study vocabulary d. play music 14. Do you keep quiet when your teacher is talking? – ___________ a. Yes, I do b. Yes, we do c. Yes, I am d. a & b are correct 15. Hoang _____ in a small house in the center of the city. a. Live b. lives c. don’t live d. a & c are correct

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team