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Clave de respuestas: TOEFL iBT · Build a Sentence · Science labs: equipment and experiments

Para el profesor. Cada respuesta incluye por qué es correcta.

  1. 1. I'll check how many boxes we have left in the storeroom.

    Extra chunk, not used: do we

  2. 2. No. When I got there, the machine had been taken away for repairs.

    Extra chunk, not used: was

  3. 3. I know, which is why I'm repeating the experiment next week.

    Extra chunk, not used: what

  4. 4. Not really. If I had gone to the training, I'd be more confident with it now.

    Extra chunk, not used: would

  5. 5. That's strange. Why isn't it showing up in there? I uploaded it on Tuesday.

    Extra chunk, not used: doesn't

  6. 6. Oh! So I could have gone home hours ago.

    Extra chunk, not used: went

  7. 7. We ran out of the reagent and had to order more.

    Extra chunk, not used: from

  8. 8. She said that the results hadn't come back yet.

  9. 9. Use the new one. It's far more accurate than the old ones.

    Extra chunk, not used: most

  10. 10. Really? had I known that, I would have come in last weekend.

    Extra chunk, not used: did