máy biến thể dùng để biến đổi hiệu điện thế xoay chiều 110V lên 220V. Biết cuộn thứ cấp có 10.000 vòng . Tìm số vòng cuộn sơ cấp? (TÌM N1)

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IV.Fill in the blank with What, Where, When, Why, Who, How, How far. Ex: What is your name? - My name’s Trung. 1. is your family name? - It’s Nguyen. 2. old are you? - I’m thirteen. 3. do you live? - On Nguyen Trai Street. 4. do you live with? - My parents. 5. is it from your house to school? - About three kilometers. 6. do you go to school? - By bus. 7. do you go to school? At half past six 8. are you late? - Because I miss the bus. V. Fill in the blank with although, and, because, but, or, since, so, unless, until, when. 1. Things were different ......................... I was young. 2. I do it ......................... I like it. 3. Let us wait here ......................... the rain stops. 4. You cannot be a lawyer ......................... you have a law degree. 5. She has not called ......................... she left last week. 6. I saw him leaving one ......................... two hours ago. 7. This is an expensive ......................... very useful book. 8. We were getting tired ......................... we stopped for a rest. 9. He was angry ......................... he heard when happened. 10. Walk quickly ......................... you will be late. 11. He had to retire ......................... of illness. 12. We will go swimming next Sunday ......................... it doesn’t rain. 13. I heard a noise ......................... I turned the light on. 14. Would you like a coffee ......................... tea? VI. Complete the following sentences with the words in the box. and but so because although 1. Children love cartoons they make them feel happy. 2. the newsreader speaks really fast, my father can hear everything. 3. The animal programme is late I can’t wait for it. 4. Some game shows are popular, I never watch them? 5. My sister is a weatherwoman,my father is a newsreader. Giúp mk với