guess the puzzle

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Across
  1. 4. When the rescue team arrived, the hikers had already ______ (reach) the summit.
  2. 7. We couldn't believe they had ______ (build) that huge stadium in only six months.
  3. 8. He finally bought the book he had always ______ (want).
  4. 9. She apologized because she had ______ (tell) a lie.
Down
  1. 1. By the end of the year, they had ______ (travel) to twenty countries.
  2. 2. Before she gave the speech, she had ______ (write) it down carefully.
  3. 3. The children had already ______ (drink) all the juice when we came.
  4. 5. The teacher was angry because we hadn't ______ (do) the homework.
  5. 6. I realized I had ______ (meet) him somewhere before.