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doquockhanha3
2 năm trước
Thân nhờ các bạn giải thích hộ mình. Bài này thầy giải ra đáp án B. Nhưng nếu là etan, thì theo giả thuyết tạo ra 2 dẫn xuất monoclo và điclo nhưng etan chỉ tạo ra 1 sản phẩm thế thôi mà. Cảm ơn các bạn!
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Supply either BECAUSE or BECAUSE OF : 1. It was difficult to deliver the letter …………………………..the wrong address. 2. We have to cut down on our driving ………………………….there is an oil shortage. 3. Rescue attempts were temporarily stopped …………………..the bad weather. 4. They visited their friends often ……………………….they enjoyed their company. 5. Paul could not go to the football game …………………………his illness. 6. Marcella was awarded a scholarship …………………………her superior ability. 7. Nobody ventured outdoors …………………………the hurricane warnings. 8. We plan to spend our vacation in the mountains………………….the air is purer there. 9. We have to drive around the bay ……………………the bridge was destroyed in the storm. 10. The chickens have died ………………………..the intense heat.

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