Phrasal verbs with COME 1

Choose the right answers, and then press "Check".
  1. Alex decided to (to encourage) with me to watch the parade.
  2. Any possible solution can only (to happen) through dialogue.
  3. The police have asked any witnesses to (to give information).
  4. The truth will (to become known) sooner of later. It's just a matter of time.
  5. Did the trip to Paris ever (to be effective)?
  6. (to encourage someone), my son, it's time to pack away your toys.