Choose the best answer 1. My mum ________ to her hometown recently. A. didn’t return B doesn’t return C. hasn’t returned D. returned 2. You should avoid ________ chocolate if you want to keep fit. A. to eat B.eat C. eating D.ate 3. After he __________ his homework, he went to bed. A. finishes B. finished C. has finished D. had finished 4. She got a pair of shoes ______ by her friend. A. buy B. buys C. bought D. to buy 5. I'm never allowed _____ anything by myself A. to do B. do C. did D. done 6. He is seen ______ her dog now. A. bathe B bathed C bathing D. to bathing 7. My room _________________________ in the house by her now. A. is being cleaned B. are being cleaned C. will be cleaned D. would be cleaned 8. Tom ___________________________ by Mary since 10 o'clock. A. has operated B. have been operated C. has been operated D. All are wrong. 9. Someone __________________ to take his place. A. must be find B. might be find C. should be finds D. must be found 10. 20 demonstrators ________________________ by the police. A. was arrested B. were arrested C. was arresting D. were being arrest 11. When the children _____, their parents were preparing the dinner A. come home B. came home C. coming home D are coming 12. By the time he sent the mail to Donal Trump , nobody _____who he was A. had known B. knew C. known D. know 13. They ______ the enterview as soon as all journalists are present A. answer B. are answering C. answered D. will answer 14. This is the first time we _______the outskirts of this city A. visited B. visiting C. have visited D. are visiting 15. When they completed the plan, all facilities for that plan _____already___ ____fully A. had... been prepared B. have.... prepared B. have ...been prepared D. had... prepared 16. Did you have the nephew____ the gate yesterday? A. to paint B. paint C. painting D.painted

Calli : Chòi oi...mừng gớt nước mat á trời...hic hic...ms lấy lại được nick... Calli : Khóc Nhận tradi thôi ...huhu Có tâm vs...hic hic.

Giup mik nhé các bạn. Mik cảm ơn!

giúp e với ạ y/c : ko cần nhanh , chi tiết + dễ hiểu = `CTLHN`

giúp e với ạ y/c : ko cần nhanh , chi tiết + dễ hiểu = `CTLHN`

Biến đổi về các hằng đẳng thức, tìm giá trị nhỏ nhất của các biểu thức: a) 𝐴 = −𝑥^2+ 2𝑥 + 5 b) 𝐵 = −𝑥^2− 8𝑥 + 10 c) 𝐶 = −3𝑥^2+ 12𝑥 + 8 d) 𝐷 = −5𝑥^2+ 9𝑥 − 3 e) 𝐸 = (4 − 𝑥)(𝑥 + 6) f) 𝐹 = (2𝑥 + 5)(4 − 3𝑥) g) 𝐺 = (2 − 3𝑥)(2𝑥 + 3)

1.(When/While) i came ,Jim was having dinner. 2.I won't accept this job (even if/if) the offer me high salary

Giúp mình 7B, 8B và 9B với ạ Cảm ơn mn nhiều ạ!!!!!!

Calli: Don't fight, let others win. 🌚

calli: "hey my babu" ( babu đấy nhá ) O^O có tâm nha, 50 điểm á, có 5 sao, cảm ơn + ctlhn cho ng đệp nhất UvU