tìm a 6 ×a × 2∧x - 6 ×a = 9300

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Tổng có 10 câu khoanh thôi Cần thiên tài giải vì hầu như e đăng mn đều sai hơn 40% :((( 11 Choose the best option A, B, C or D to complete the sentences below. ----------- source of energy is the source that can’t be replaced after use. A. Effective B. Natural C. Renewable D. Non-renewable 12 Choose the best option A, B, C or D to complete the sentences below. Emergency repairs were expected ----------- three weeks. A. take B. took C. takes D. to take 13 Choose the best option A, B, C or D to complete the sentences below. Homeless youngsters in big cities can easily become involved in drugs, -----------? A. can’t they B. don’t they C. can’t he D. can they 14 Choose the best option A, B, C or D to complete the sentences below. Sean’s ----------- at school has greatly improved. A. performer B. perform C. performing D. performance 15 Choose the best option A, B, C or D to complete the sentences below. She didn’t have ----------- coat, so he gave ----------- to her. A. her - him B. her - his C. his - hers D. hers - his 16 Choose the best option A, B, C or D to complete the sentences below. A hydropower station ----------- in the North of the country next year. A. will be built B. will be building C. was built D. were built 17 Choose the best option A, B, C or D to complete the sentences below. If we have sky-cycling tubes in the future, the air ----------- better than it is today. A. won’t be B. will be C. is D. isn’t 18 Choose the best option A, B, C or D to complete the sentences below. Mai’s dad usually drives her to school ----------- her school is very far from her house. A. because B. though C. but D. or 19 Choose the best option A, B, C or D to complete the sentences below. Dung: “I don’t know where Mai is. ----------- her?” - Lan: “I’ve just met outside the classroom” A. Will you see B. Are you seeing C. Did you see D. Have you seen 20 Choose the best option A, B, C or D to complete the sentences below. On Passover Day, people ----------- freedom from slavery. A. choose B. celebrate C. participate D. contribute

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