If the "books" wasn't a plural, it would be "his" but since it isn't singular, it would be "their"
The first one. All of the other examples are talking about things price-wise, whereas a cheap excuse is a very bad excuse.
The female version of the word "dude".
Snowboarding or sledding or skiing
Hope this helps
Answer:
this is c.... lol they can't get well known actors in a play