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nguyenhaianhx21012001
2 năm trước
Tìm m để phương trình vô nghiệm (m+2). x2 - 2 (m-1). x+4 _<0
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9. Public __________ in this city is quite good, and it’s not expensive. A. vehicle B. travel C. transport D. journey 10. I ____________ marbles when i was young, but now i didn’t. A. play B. used to play C. have played D. didn’t use to play 11. There _________ a bus station in the city centre, but it has been moved to the suburbs. A. were B. used to have C. use to have D. used to be 12. ___________ does it take to go from ha noi to Ho Chi Minh city by plane. A. How much B. How many C. How long D. How far 13. Minh used to ___________ his homework late in the evening. A. do B. does C. doing D. did 14. If people ___________ the rules, there are no more accidents. A. follow B. take care of C. obey D. remember 15. You should ___________ right and left when you go across the road. A. see B. look C. be D. take 16. Hurry up or we can’t ___________ the last bus home. A. keep B. follow C. go D. catch 17. Lan used to go to school ___________. A. with bike B. by foot C. in car D. by bus 18. Public ___________ in my town is good and cheap. A. travel B. journey C. tour D. transport 19. When there is a traffic jam, it ___________ me a very long time to go home. A. takes B. costs C. spends D. lasts 20. Yesterday rick and peter _______ round west lake. It took them an hour. A. cycle B. cycles C. cycling D. Cycled

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