Sort out
give up
keep on
find out
take place
1 How much time are they going to the swimming pool?
2 How much time does your sister play the piano?
3 When are boys playing football?
4 When will his mother go to Moscow?
5 Does the cat drunk all the milk?
6 What did he buy yesterday?
2)in; 3)at; 4)on; 5)in; 6)in; 7)at; 8) at