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nguyentancauph3
2 năm trước
Để chỉ ba phân tử oxi ta viết: A,3O^3 B,3O C,3O^2 D,O^3
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V. Read the email and write the missing words. Write one word on each line. Hi Matt, I’m sending you this email because you weren’t at school today. In Mr Park’s class, we had (1) .......................answer some questions about the pyramids in a quiz. It was very interesting! Some of them are 5000 years (2) ....................! I’d like to do a project about them. Did you know that? For homework, we must (3) ..................... out more things about them. So, look for pictures (4) ....................... the pyramids or read more about them on your tablet. You could write something about them too if you like, but not more (5) ......................100 words. See you tomorrow! Frank VI. Circle the correct answer. 1. As I was talking / took the shoes to the till, I was realising / realised I did not have any money with me. 2. The doorbell was ringing / rang while they were watching / watched TV. 3. While we were talking / talked, the baby was waking up / woke up. 4. David was cycling / cycled home when it was starting / started to rain. 5. I was hurting / hurt my back as I was lifting / lifted a heavy box. 6. The train was leaving / left while you were buying / bought the magazines.

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