Question

1."Two hours won't be enough to finish the job," he said to us.
  → He told
2.If she doesn't make the mistake again, the man won't get angry at her
  → Unless
3.We haven't visited my grandparents for two months
  → The last time
4.Janet is the best tennis player in the club
  → No one
5.The shelf was so high that the children couldn't reach it
  → The shelf was too high

Answer 1

1. He told us that two hours wouldn't be enough to finish the job

2. Unless she makes the mistake again, the man won't get angry at her

3. The last time I visited my grandparents was two months ago

4. No one in the club plays tennis better than Janet

5. The shelf was too high for the children to reach