Revision for Spelling

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Across
  1. 2. Covid-19 has ______ 存在 more than a year ago.
  2. 6. I ______ 介绍 my friends to my teacher.
  3. 7. He _____(s) 出现 in my dream.
  4. 8. He _____ 不小心 fell off from his chair.
  5. 9. Simon is _____ 目前 studying Primary 4.
Down
  1. 1. Please do not _____ 损害 the book!
  2. 2. Trees are planted to protect the ______ 环境.
  3. 3. I killed the monster with a ______. 剑
  4. 4. The ______ 温度 recently is quite high, as it has not rained for several days.
  5. 5. I _____ 删除 (take off) my shoes before entering the house.