Present Simple oder Present Continuous?

Put the verb in the correct tense. Don't forget to put the adverb of frequency in the right place.
  1. Jack (speak, sometimes) French.
  2. Tomorrow John (fly) to Copenhagen.
  3. My borther (listen, always) to these songs. I can't stand them.
  4. Sam (have, usually) dinner at 6 p.m.
  5. Martin and Joe (go) to London at the weekend.