Complete the sentences with the correct form of the verb in brackets.

Example:

As soon as it stops (stop) raining, I’ll leave (leave).

1. When we ____ (arrive) in London tomorrow we ____ (go) straight to Oxford Street.
2. They ____ (not speak) to you unless you ____ (apologize).
3. Don’t worry. He ____ (send) you a reply as soon as he ____ (read) your letter.
4. When I ____ (watch) the video, I ____ (give) it back to you, I promise!