Một nền nhà hình chữ Nhật có chiều dài 24m, rộng bằng 1/6 chiều dài. Người ta định lát nền nhà bằng gạch men hình vuông có cạnh 40 cm. Hỏi cần bao nhiêu viên gạch men để lát đủ nền nhà?

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Exercise 4. Rewrite the sentences using the connector given. 1. The car is very cheap, but we still cannot afford it. => Although ………………………………………………………… 2. Betty isn't very tall. However, she can run fast. => ………………………………though………………………… 3. He doesn't have much money, but he wants to buy a new car. => Even although ………………………………………………………… 4. He's a hard worker. However, he can never save up enough for a house. => Although ………………………………………………………… 5. There was a lot of food at the party. I still dislike it. => ………………………………though………………………… 6. Although they were well-educated, they were boring. => ………………………………, but………………………… 7. I knew it though he didn't tell me why he'd been late. => ………………………………. ; however, ………………………… 8. She was unattractive. However, she still had many friends. => ………………………………even though………………………… 9. Even though they had lived in London for years, they always spoke German. => ………………………………, but………………………… 10. Although she is a girl, she plays football as skillfully as any boys. => ………………………………. .However, ………………………………….. Exercise 5. Fill in the blanks with one of the words from A ) , B ) , C ) , or D ) . 1. It looked dark and heavy __ it was going to rain. A) although B) unless C) as if D) whereas 2. __ I get your call, I will leave. A) As soon as B) As though C) By the time D) Now that 3. __ he had read the instructions several times, he knew what to do. A) Whereas B) After C) Until D) While 4. __ he cannot afford a car, he rides a bicycle. A) Unless B) Whereas C) Though D) Because 5. __ the cities do not provide better and cheaper mass transport, the traffic problem will get worse. A) So that B) Even though C) If D) Before 6. __ you go to Canada, you should visit Toronto. A) When B) As C) Since D) Unless 7. __ riding a bicycle is a good leg exercise, it does not use up a lot of calories. A) As B) Although C) Because D) So that 8. She turned off the record player __ she could study. A) now that B) even if C) so that D) in case Giúp mk ex4 thôi nha