Tính diện tích hình thang ABCD ( như hình vẽ ). ABMN là hình vuông cạnh bằng 4m , DN=2m,MC=6m

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She met Mike when she went to Spain for her holiday last year. => She wouldn’t … 2. If you want my opinion, it would be a good idea to stop eating so many sweets. => If I … 5. I think you should tell the police about the accident. => If I … 6. You’ll avoid waiting by booking a table in advance. => If … 8. Throw a stone into water and it sinks. => If … 9. Since you haven’t finished your homework, you can’t come with them. => If … 10. You’re tired because you stayed up very late last night. (earlier) => … 10. Perhaps nobody else wants to make friends with her so I might write to her. => If nobody else … 11. You can’t make a cake without flour. (have) => Unless you … 12. We haven’t got any money left so we can’t have dinner. (some) => If we … 13. You should give up drinking to protect your health. (would) => If you ………………………….. improve your health. 14. Maybe I could go to Singapore to visit you. (went) => If I …………….…………………………… visit you. 15. I don’t speak English well enough to work for a foreign company. (better) => If I …………………………………………………………………………… for a foreign company. 16. Speak to her only if she speaks to you first. => Don’t … 17. Please give the book back to me some time – I’d be grateful. (if) => … 18. I’m living in Italy because I got married to an Italian. (if) => … 19. We’ve got a broken window because you and your friends were playing football in the back yard! (if) => … 25. If we don’t hear from you within seven days, the order will be cancelled. => Unless … 26. If you missed the programme you can’t really judge. => Unless … 27. Would you mind helping me carry this heavy box to the car? (grateful) => This box is really heavy so I’d …………………………………………………… help me carry it to the car. 28. We didn’t stay long at the party because it was very noisy. (so) => If …………………………………………………………. noise, we might have stayed longer at the party. 2. We would not be able to prepare the show without the money from our sponsors. => Were it … 3. Should you come across the missing files, let me know at once, please. (happen) => … 4. If you come across my old wooden box somewhere in the cellar, don’t throw it away. => Should 5. Pat let me copy her homework. Otherwise I would have been reprimanded. => Hadn’t … 6. In the unlikely event of a fire, please do not use the lift. => Should … 7. If you should get caught doing this, you will go to prison. => Were … 8. If you didn’t contribute generously, we couldn’t continue our work. => But for … => Were it … => If it … 9. The whole project would have fallen through without his support and hard work. => Had it ... 10. Return the product to the shop if you have any complaints about. => Should … 11. If you do happen to see Helen, could you ask her to call me? => Should … 12. If the government raised interest rates, they would lose the election. => Were … 13. Were Smith to resign, I might stand a chance of getting his job. (IF) => … 15. You wouldn't speak English well if you didn't have more practice. => Unless …………………………….