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Visita Mikael Books en Facebook para ver más contenido de libros en inglés.

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Unit 43. Page 221. Step 4. Extended Practice. Accuracy Practice.

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Listen again to Exercise 1 on pages 218 and 219. Then record the phrases and sentences.

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Exercise 1. 1.

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1. Should have been watching. Oh, I'm sorry. I should have been watching where I was going.

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2. Should have asked. Don't worry. We can take it back. I should have asked you first.

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3. Should have left. I should have left earlier. I don't know when the next bus will come.

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4. Should have looked. I guess I should have looked in a cookbook.

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5.

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Should have done. I know I should have done this last night, but I was just too busy.

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6.

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Should have checked. Now I'll have to call a locksmith. I should have checked my bag before I left.

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7.

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Should have listened. I should have listened to you and checked the tires at the gas station.

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8.

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Shouldn't have had. Another four pounds. I shouldn't have had so much.