Вставьте am/is/are or do/don't/does/doesn't

1.Where is Kate?I......know?
2.What is funny?Why..... you laughing?
3.What....your sister do?She is dencist
4.It...raning.I....want to go out in the rain.
5.Where....you come from?Canada.
6.How much....it cost to stay at this hotel?Is it expensive?
7.Steve is a good tennis player ,but he....play very often