đảo ngữ giùm mình nha đảo phần đáp án đó 1. Keep silent or you’ll wake the baby up .→ If you don’t keep silent, you’ll wake the baby up. 2. Stop talking or you won’t understand the lesson. → If you don’t stop talking, you won’t understand the lesson .3. I don’t know her number, so I don’t ring her up. →If I knew her number, I would ring her up. 4. I don’t know the answer, so I can’t tell you. → If I knew the answer, I could tell you. 5. We got lost because we didn’t have a map. →If we had had a map, we would have gotten lost.

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