1. Have just read
2. Will have passed
3 had just put
4. Have saved
5. Has she gone
6. Had not slept
7.has to pack
8.will you have loved
9. Has to eat
10. Had to make
11. Will have finished
12. Had forgotten
13. Have not met
20. Has cleaned
Answer:
The antonyms you could use are Disappear or Vanish.
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Paragraph 5, speaks about the importance of using social media.