Here are the suggested answers for the blanks in the sentences:

106. Everybody **was surprised/had happened**.
- Correct Answer: **A** (was surprised/had happened)

107. The famous writer Tolstoy **will live / has left** forever in our memories, in the books he **leaves / left** to us.
- Correct Answer: **A** (will live / has left)

108. Ernest Hemingway **had not been / died** one of those people who **die / died** in their beds.
- Correct Answer: **A** (had not been / died)

So, summarizing:

- 106: A
- 107: A
- 108: A