Orange words

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Across
  1. 4. I can't _________________ what day it is.
  2. 5. It suddenly went dark, how ______________!
  3. 6. I am ___________ it was snowing.
Down
  1. 1. My most beloved ______________ is a necklace.
  2. 2. Maths was very ________________.
  3. 3. The ______________ pumps blood around the body.