Nouns-singular and plural

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Across
  1. 4. Don’t reveal the ….. to anyone. It’s personal.
  2. 5. When you go on safari, don’t forget to take ….. along. They are very useful to see the wildlife from a distance.
  3. 8. The ….. are getting less and less help from the government, which causes their resentment.
  4. 11. The ….. looks very solid. It’s difficult to open it.
  5. 12. Though the ….. against him was strong, he was never arrested.
  6. 13. Have we got enough forks and ….. for all the guests?
  7. 15. Fortunately, the ….. we received from them was good.
  8. 18. People who experienced the war had very difficult ….. .
  9. 20. A lot of ….. was done into the problem, but the scientists haven’t come up with any findings yet.
Down
  1. 1. Where are my ….. ? They were on my bed in the morning.
  2. 2. The ….. were grazing in the field.
  3. 3. I have crooked teeth. I need to wear ….. to straighten them.
  4. 6. The ….. were as good as gold all the day yesterday.
  5. 7. The hotel itself was great, but its ….. were awful.
  6. 9. Most women scream and run to safety when they see ….. .
  7. 10. The ….. are corrupted and highly ineffective in the country.
  8. 14. Her ….. is auburn and she wears it shoulder length.
  9. 16. I love the ….. in your room. Have you bought it in Ikea?
  10. 17. The ….. is at eight o’clock. I must watch it.
  11. 19. My ….. were so cold that I had to put them in a bowl of hot water when I came back home. I was afraid I might catch a cold.