Tìm số tự nhiên n sao cho phép chia sau là phép chia hết
(3xn+1y2-2x5yn+x4y2):(2x4yn-2)
6. If people …………… old items, they will save the environment.
A. reuse B. reused C. reusing D. to reuse
7. I'm interested in learning foreign languages and my sister is,………………...
A. so B. either C. neither D. too
8. My daughter plays…………… piano very well.
A. the B. a C. 0 (zero article) D. an
9.The computer …………………I bought in Thailand last year doesn’t work any more.
A. who B. which C. whose D. when
10 . She suggested ……….. money for the poor people in the region.
A. to save B. saved C. saving D. save
11. Life now is ……………………than it was in the past.
A. comfortable B. most comfortable C. comfortabler D. more comfortable
12. - Laura: “What a lovely house you have!” - Mary: “_______________.”
A. Of course not, It’s not costly. B. Thank you. Hope you will drop in.
C. I think so D. No problem
13. Although they are poor, they still live _________.
A. happy B. unhappy C. happily D. happiness
14. The festival will be held ________ April 2nd 2022. | ||||
A. in | B. at | C. of | D. on |
|
15. She was ______ that she always came top of the class.
A. so clever B. too clever C. such clever D. clever D. enough