21. She hasn’t bought a new computer …………. A. ever B. since C. yet D. already 22. I was listening while my brother …………… computer games. A. played B. was playing C. have played D. would play 23. Mary sent me some vegetables ………. by his father. A. to grow B. grow C. grew D. grown 24. John is said …………… the brightest in the class. A. to be B. was C. being D. he was 25. The new shopping mall is quite……………… the present shopping area. A. different from B. like to C. similar D. the same

30đ làm giúp ạ Tìm các giá trị nguyên của $x$ để phân thức sau có giá trị là số nguyên: (đề bài ko sai đâu ạ) $C$ $=$ $\frac{x^4+3x^2+2x^2+6x-2}{x^2+2}$

Help em pls!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Phân tích các đa thức sau thành nhân tử

Choose the best option to complete each sentence. 16. Summer is always hotter than Fall, ……? A. is summer B. is the summer C. is it D. does it 17. He is ……….. young to get married. A. so B. too C. such D. very 18. We haven’t seen them………………. last Sunday. A. since B. until C. while D. for 19. I’m sure I …………… come tomorrow. A. will be able to B. would C. may D. am going to 20. He is ………….. to lift this heavy package of cotton. A. not strong enough B. enough strong C. strong not enough D. not enough strong

aback ; abacus ; abaft ; giaỉ nghĩa mấy từ này cho mik nha Mình ko bt lopws mấy cho nên mik cho lớp 12 mong các bạn thông cảm !

Bài 1 : Cho Hình Thang Cân ABCD (AB//CD) Có BDC = 45° . Gọi O là GĐ Của AC Và BD a, Cm tam giác DOC vuông cân b, Tính diện tích của hình thang ABCD, biết BD = 6cm Bài 2 : Cho hình thang ABCD (AB//CD) có ACD=BDC. Cm ABCD là hình thang cân Hứa Cho CTLHN + 5*

11. A. national B. engineer C. figure D. scientist 12. A. provide B. combine C. service D. account 13. A. approve B. wonder C. physical D. knowledge 14. A. marriage B. happiness C. faithful D. divorce 15. A. money B. army C. afraid D. people

. Chose the word that has the underlined part pronounced differently from the rest. 6. A. happy B. character C. fat D. classmate 7. A. bought B. enough C. laugh D. cough 8. A. honor B. hour C. character D. horse 9. A. last B. taste C. task D. fast 10. A. thin B. thumb C. this D. birthday

I. Chose the odd word. 1. A. myself B. bookshelf C. ourselves D. yourself 2. A. building B. morning C. evening D. afternoon 3. A. Birthday B. Monday C. Wednesday D. Friday 4. A. born B. saw C. went D. played 5. A. summer B. winter C. season D. autumn