Complete the sentences using the answers or the verbs in the brackets . You have to decide where to use the future perfect or the future perfect continuous.

1.  [ ] the top by tomorrow?

No, he will not have reached the top by tomorrow.

2.  How many years [ ] this year?

They'll have been married for 10 years.

3.  How long does it take you to rewrite such a book?

Tomorrow I [ ] on it for three years. (work)

4.  Can we start the party earlier?

I don't think so. All our guests [ ] by then. (not arrive)