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Đáp án – Bài Tập 135

Đáp ánTrang 500
  1. You needn't have gone home so early.
  2. He must have forgotten.
  3. It can't be changed now.
  4. She may be watching television.
  5. She must have been waiting for somebody.
  6. he couldn't have done it.
  7. You ought to have been here earlier.
  8. I would have helped you.
  9. You should have been warned.
  10. He might not have been feeling very well./ He might not have felt very well.