- What is the subject of the sentence?
- What is the simple predicate (verb) of this sentence?
- Why is "its" the correct choice?
- Why is "trucks' " the correct choice?
Here is the sentence:
The movie star known as the "muscles from Brussels" helps Volvo show off its trucks' steering.
By the way, I liked the commercial, too!
http://www.npr.org/blogs/thetwo-way/2013/11/16/245607276/howd-they-do-that-jean-claude-van-dammes-epic-split