The number of people who take part in Internet dicscussions forums

1) The number of people who take part in Internet discussions forums is growing (Present Continuous) very quickly now. 2) Shes got a part-time job for the summer- she has been working (Present Perfect Continuous) as a waitress. 3) My friend Mark is (Present Simple) in the Scouts. 4) I often go (Present Simple) camping at the weekend. 5) Most of the kids in my class usually listen (Present Simple) to soul and hip hop. 6) Do you still belong (Present Simple) to that Judo club? 7) Shes not here at the moment  she is visiting (Present Continuous) a friend. Can I take a message?