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yennhi1606
2 năm trước
Bằng phương pháp hóa học hãy nhận biết các dung dịch sau: NaCl, Na2SO4, Na2CO3, NaOH, NaNO3 xin nho giup do minh se vote 5 sao cho tat ca! :))
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Write questions for the underlined parts. 1. I cooked steak last night.  ……………………………………………………………………? 2. She didn’t write to her grandmother.  ……………………………………………………………………? 3. We had a computer when I was a child.  ……………………………………………………………………? 4. They didn’t meet the professor yesterday.  ……………………………………………………………………? 5. She swam in the sea in Greece.  ……………………………………………………………………? 6. I didn’t drink any beer last night.  ……………………………………………………………………? 7. He got up at six o’clock yesterday.  ……………………………………………………………………? 8. He gave his mother a book for Christmas.  ……………………………………………………………………? 9. We didn’t use Lan’s computer last night.  ……………………………………………………………………? 10. She read the newspapers yesterday.  ……………………………………………………………………? làm nhanh dùng mình nha

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