Re-write the following with "supposed to":

Example: If you keep talking to me, how am I going to concentrate?
Answer: If you keep talking to me, how am I supposed to concentrate?

1. How can I do my homework when it's so noisy in the house?
2. Weren't you going to tell me when it was time to get off the highway?
3. Who's going to do all the cooking for the big party you're planning?
4. Who's going to clean up this mess?
5. We were planning to go to London last month, but the trip got canceled.
6. I've heard Venice is the most beautiful city in Europe.
7. If you want to take vacation time, you need to get permission from your boss.
8. Amanda and I were going to meet yesterday, but she canceled the meeting.
9. Who's going to clean all these dishes in the sink?
10. You can't take flash pictures inside the museum.