V. Choose the best answer. 1. He …… trying to pass his driving test but fails every time. A. keeps B. kept C. is keeping D. had kept 2. He wonders why I never …… abroad by plane. A. has travelled B. have been travelling C. travel D. will have travelled 3. Kate …… her dog for a walk. Her brother …… it. A. never takes/ always does B. never doesn’t take/ always does C. never take/ does always D. never don’t take/ always do 4. (have) …… the car keys? - No. A. You do have B. Are you having C. Have you D. Do you have 5. I suppose as we live in a very rural area, we are lucky that a train service actually …… here. A. takes B. works C. functions D. operates

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Cho 40 gam Iron ( III ) oxide Fe2O3 tác dụng vừa đủ với m (gam) dung dịch sulfuric acid H2SO4 10% . Tính C% của muối thu được. Cho biết: Fe = 56; O=16; H=1; S = 32.

VIII/ Sentence building 1. When I/ young/ my grandmother/ tell/ me/ how/ cook/ breakfast. ………………………………………………………………………………………………………… 2. Don’t forget/ phone/ us/ when/ you/ arrive/ Madrid/ tomorrow. ………………………………………………………………………………………………………… 3. The teacher/ always/ encourage/ us/ take part/ many different activities/ school. ………………………………………………………………………………………………………… 4. Let/ us/ show/ where/ visit/ when/ you/ are/ New York. ………………………………………………………………………………………………………… 5. Do/ Lan / Minh/ really/ love/ go/ cinema/ weekend? ………………………………………………………………………………………………………… 6. I/ regret/ not/ be/ able/ attend/ semi-final. ………………………………………………………………………………………………………… 7. It’s worth/ learn/ English/ early/ prepare yourself/ future. ………………………………………………………………………………………………………… 8. She couldn’t stand/ laugh/ when/ I/ tell/ her/ joke. ………………………………………………………………………………………………………… 9. Her children/ worried/ their coming examinations. ………………………………………………………………………………………………………… 10. Did/ they/ have/ difficulties/ answer/ your questions? ………………………………………………………………………………………………………… 11. It/ kind/ him/ help/ my son/ out/ the fire/ yesterday. ………………………………………………………………………………………………………… 12. The new training teacher/ find/ hard / make/ speech/ front/ her students. ………………………………………

*. Cho A là tập hợp các ước nguyên dương của 24, B là tập hợp các ước nguyên dương của 18. Xác định tính sai của các kết quả sau: A. Tập A có 8 phần tử B. Tập B có 6 phần tử C. Tập (A∪ B) có 14 phần tử D. Tập (B\A) có 2 phần tử

Mong mn giúp mik cảm ơn 1. This well-known library attracts many people. → Many people…………………………………………………… 2. He gave me a knife to cut this bread → I …………………………………………………………………. 3. John hasn’t finished his homework → John’s homework ………………………………………………… 4. The State will assign our students to different jobs → Our students………………………………………………………………. 5. She is running her own company → Her own company…………………………………………………………

Giúp em với ạ Em đang cần gấp lắm 😭😭 Sin²4x + 1 = sin²2x

Giúp e với đc ko ạ, e c.ơn nhìu ạ

Help e vs.................................................

Cali: Chúc mừng / hoặc vẼ mầm/anime/chibi chúc mừng NL : Học sinh xuất sắc rồi