Answer:
When I listen to a conversation.
When I follow directions.
When I fill out an application.
Explanation:
When a girl cover her face with a book and peaks over from it then it is probable that she is listening to someones conversation which she does nor want to explicit that she has listened it. She is hiding herself in the book and pretends to be reading the book but actually she is listening someone else conversation.
Ate the insects I believe is the simple predicate in the sentence.
Sure, I can look over it for you and give some suggestions, if need be.