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. by Tuesday?
Yes, she'll have returned by Tuesday.
2. How many years this year?
They'll have been married for 10 years.
3. When will you send the e-mail?
We it by Thursday. (deliver)
4. Can we start the party earlier?
I don't think so. All our guests by then. (not arrive)