Bài tập 4: Biến đổi các câu sau sang phủ định, câu hỏi và trả lời các câu hỏi đó.
1. She was planting flowers in the garden at 5 p.m yesterday.
– She wasn’t planting flowers in the garden at 5 p.m yesterday.
– Was she planting flowers in the garden at 5 p.m yesterday?
Yes, she was/ No, she wasn’t
2. They were working when the boss came yesterday.
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3. She was listening to music while her mother was making a cake.
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4. Linh was riding her bike when we saw her yesterday.
– ………………………………………………………………….
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5. He was playing game when his boss went into the room.
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