Bonjour quelqu'un peut m'aider avec ce devoir anglais svp il faut choisir la forme qui convient

1.The Queen ... to give her annual speech on Monday. □will □is

2. What are you doing now? - I'm ... do my homework! □about to □will

3. In January next year, this building... □is about to be finished □will be finished.

4. I... on October 1st. □am about to leave □am leaving

5. You may be sure that he ... accept this offer. □is to □will​