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($x$ -$\frac{2}{5}$ ).($x$+$\frac{4}{7}$ )=0

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Choose the underlined part that needs correcting in each sentence below. 31. We need energy to do the things we do every day: walking, riding a bike and even sleep. A B C D 32. My mother is a lawyer, so she often gives people advices about law. A B C D 33. Sports like riding a bike and running uses a lot of calories. A B C D 34. An expert is someone who has studied a lot about a subject or topic and understand it well. A B C D 35. Going outside with wet hair give you a cold or flu. A B C D

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III. GRAMMAR Choose the word or phrase that best completes each sentence below. 21. Anna: “let’s go surfing today!” Matt: “_____” A. That’s a great ideaB. Go and see them now! C. No, it is tomorrow.D. No, let’s not. 22. Kyle: “Whose pencil case is this?” Ryan: “_____” A. Yes, Kyle, I know.B. No, it isn’t mine. C. Marianne drew it.D. I think it’s Gemma’s 23. We’ve asked people to donate books and clothes _____ the children A. for B. toC. ofD. with 24. in the past few days, the number of people joining the club _____ A. is doublingB. doublesC. has doublesD. doubled 25. I try to finish all of my homework _____ advance. A. inB. atC. onD. with 26. Annie tries to stay away from burgers and chips because she doesn’t want to put _____ weight. A. offB. upC. downD. on 27. I try to help the poor as much as possible by _____ old books to a local charity. A. donatedB. donatingC. donateD. donation 28. Remember to bring an umbrella _____ you because it may rain this afternoon. A. onB. atC. withD. by 29. How many novel _____? A. has Shakespeare writtenB. Shakespeare has written C. had Shakespeare writtenD. did Shakespeare write 30. Volunteering is very important _____ me because I like helping other people. A. forB. toC. ofD. with

Choose the word or phrase that best completes each sentence below. 14. Thanks to the summer language camp I _____ many new friends. A. madeB. didC. tookD. put 15. If we provided food and drink to street children, they will ______ be hungry. A. any longerB. not longerC. no longerD. a longer 16. Her speech was very _____ because she included many reasons and examples. A. convincingB. convincedC. convinceD. convincive Choose the word or phrase that is CLOSEST in meaning to the underlined part in each of the following sentences. 17. In the United State, almost everyone, at one time or another, has been a volunteer. A. nearlyB. hardlyC. mostlyD. scarcely 18. Americans have had the tradition of volunteering and helping one another since the early days of the country. A. something new and modern.B. something old and last long. C. something precious and rare.D. something common and cheap. Choose the word or phrase that is OPPOSITE in meaning to the underlined part in each of the following sentences. 19. Although they are not forced to, American still volunteer when they have time. A. compulsoryB. optionalC. busyD. free 20. Last winter, we gave away a lot of warm clothes to homeless people in Hanoi. A. keptB. presentedC. tookD. donated