Unit2 CROSSWORD

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Across
  1. 1. can't see anyting
  2. 3. very smart
  3. 4. one hand has five this kind of thing
  4. 6. If you have any question,just __ me __
  5. 8. you feel very happy
Down
  1. 2. can't hear anything
  2. 3. ___ ___,Life is not as meaningless as you think
  3. 5. a very thin, pointed piece of steel(钢铁)
  4. 7. just one person