Rewrite the following sentences as directed ( using the suggested words) so that the meanings stay the same

Rewrite the following sentences as directed ( using the suggested words) so that the meanings stay the same
1. riding motorbikes very fast in the rain is very dangerous
-> we shouldn't...........................................................................
2.The distance from my house to my school is about one kilometre
-> It...............................................................
3.Although the ticket was not very expensive,I didn't want to buy it
-> the ticket.........................................................