Bài 1: Viết lại câu sao cho nghĩa không đổi 
1. She has never drunk whisky before.
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2. He has never know me before.
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3. It is a long time since we last met.
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4. I last had my hair cut when I left her.
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5. This is the first time we’ve visited Ha Long Bay.
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6. The last time she kissed me was 5 months ago.
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Bài 2: Chia động từ ở thì hiện tại hoàn thành
1. There is no more cheese. I (eat)..........is all, I’m afraid.
2. The bill isn’t right. They (make)..........a mistake.
3. Someone (take)...........my bicycle.
4. ..........They (pay)........money for your mother ?
5. Don’t you want to see this programme ? It (start)..........
6. It’ll soon get warm in here. I (turn)........the heating on.
7. We (finish)..........three English courses.
8. She (write)..........three poems about her fatherland.
9. I (buy).............a new carpet. Come and look at it.