Choose the right verb forms to complete the sentences.

Choose the correct option.

A: I [will wait|will be waiting] for John all evening tomorrow.

B: Meanwhile, I [will write|will be writing] an essay.

A: Have you invited Sarah?

B: Oh, no! I forgot! But I [will invite|will be inviting] her right now.

A: Jack [will do|will be doing] karate from 3 till 5 on Friday.

B: Fine, I'll talk to him later.