Помогите! 5 класс Английский!!!

What has happened to Kate and Sam? They have come to Florida. They have met Josie's brother Paul. Paul has worked in the Space Institute for many years.
The friends have not brought the capsule to the Institute. They have lost it. They have put it into the truck. The truck has gone away with the capsule. The children have seen the capsule on the stage during Rik Morell's concert and now they're going to speak to him.