1. Kathy usually _______ in front of the window during the class. A. sits B. sitting C. sit D. is sit 2. Rice _______ in cold climate. A. isn't grow B. don't grow C. aren't grow D. doesn't grow 3. Hurry up! We _______ for you! A. waiting B. are waiting C. wait D. waits 4. - What are you _______? - I _______ letters. A. doing/ write B. done/ am writing C. doing/ am writing D. do/ write 5. He _______ in Italy at the moment. A. works B. working C. is working D. work 6. My father _______ excuses when I feel like going to the cinema. A. make always B. do make always C. always do make D. always makes 7. Danny _______ his father every Sunday. A. phones B. is phoning C. phoning D. phone 8. Barbara usually _______ dinner for her husband after work. A. cooks B. cook C. are cooking D. cooking 9. Now I _______ for the shops to open. A. wait B. waiting C. am waiting D. waits

3+ √3 phần 1+ √3 + 1 phần √3-2

Giúp mình làm với ạ mình cần gấp

Bài 2 (1 điểm) Cho phương trình x² + 6x + 6= 0 có hai nghiệm là x1; X2. Không giải phương trình hãy tính A=(√x₁ √x₂)² + x₂² + 2x1x2 - 6x1

mọi người ơi giúp mk câu này với . đạo hàm của hàm số : y = x / căn a bình phương - x bình phương ( a là hằng số )

mn giúp mình với ạ mơnn nhiều nhoa

đặt tính rồi tính : 32+45 36+21 43+52 95-34 21:3 45x4

Giúp mình từ câu 20-30 với đề bài là phân tích thành nhân tử

Vẽ anime nữ giúp mình nhé. Y/c: Tradi/Digi đều được, có tâm giúp ạ.

41. His grandparents used to raise lots of cattle. 42. I need to repaint my house. 43. Thomas needed to restore the data. 48. She made her students submit the reports. 50. Our mom lets us play games one hour a day. 51. He let his child buy a new ipad yesterday. 52. They estimated one million foreign tourists visited Vietnam in December 2015. 53. We understand that protecting natural wonders has many benefits. 54. People hope that this complex of monuments will be open to the public soon. 55. They thought that the temple had been destroyed by a fire. 56. People say that Ha Long Bay consisted of about 2000 islands. giúp mình chuyển sang passive voice câu bị động với