形容詞 + EN = 動詞

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Across
  1. 2. The COVID-19 situation has been getting better recently, but if we aren’t careful, it might _____ .
  2. 4. This knife won’t cut anything! I need to _____ it.
  3. 5. My necktie is so tight that I can’t breathe. I’m going to _____ it.
Down
  1. 1. My friend always puts sugar in his coffee to _____ it.
  2. 3. The butter was melting, so I put it in the refrigerator to _____ it.