complete the gaps with the present simple or the present continuous

Complete the gaps with the present simple or the present continuous forms of the verbs. Give reasons
1 John sometimes ..................... (play) golf on Sundays.
2 Ann ................. (read) a book in her room now.
3 .................................. (you/like) collecting stamps?
4 Jen and Bill ...................... (go) kart racing tonight.
5 Suzy's class ........................ (start) at 4 pm
6 Adrian .................. (want) to buy a new pair of sports shoes.
7 .....................(you/fly) to New York next month?