I think it'll go like this
1) Laura is visiting the Science Museum tomorrow.
2) Kate is not taking people to the museum.
3) They're visiting the museums in the morning?
4) We are watching the jeans commercial before lunch.
5) What time are they returning to the hotel?
6) We are not going to the show tonight.
7) Are you coming to my party this evening?
8) I am meeting my friends in the cafe at 6:30.
Hope this helps!!