Piggyback Ride

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Across
  1. 2. The enemy finally decides to ??? in and surrender.
  2. 5. Please ??? the hero in the match,he is hard to defeat
  3. 8. I was completely ??? after the workout session.
  4. 9. We will buy some ??? for our new house.
  5. 11. I would ??? going for a walk after the tuition.
  6. 12. My blue trousers have been ???.
Down
  1. 1. I was ??? whenever I saw him, he is so annoying.
  2. 3. Don't be barrking up the wrong tree, he is the one ??? in Mathematics.
  3. 4. We have just bought a new ???.
  4. 6. I used to have a ??? during the school holiday last month.
  5. 7. Please ??? your homework before night.
  6. 10. He still forgot to bring his backpack even though I have ???ed him a few times.