1. takes
2. Do, play
3. go
4. does, leave
5. listen
6. chats
7. practices
8. Is, taking
9. build
10. collect

1.Sometimes it takes a lot of time to pursue a hobby.
2.Do you play basketball on Fridays?
3.Dave and Jack do not go fishing together much at the weekend.
4.What time does the train to Boston leave?
5.I usually listen to music in my free time.
6.Kelvin often chats online with his classmates via instant messaging.
7.My sister does yoga in the evening. She does it every morning.
8.Will you have a judo class tomorrow morning?
9.Scott collects stamps and baseball cards.
10.The children do not play their model airplanes whenever they have free time.
11.Most kids today do not go to the Present Simple.