Personification because it's saying the river knows as if it is a person or higher being.
It depends. In most cases emails kind of have a professional stigma following them and are sent to ask questions or to gain information or inform the receiver so it’s best presented in a formal way.
In other cases such as a letter to a friend it can be as informal as the writer would like. Overall though I would say False, emails require professionalism.
Answer: C, To help show that books were a source of comfort and and imagination for the speaker
Explanation:
I think this may be the answer because lion and witches can be seen as scary things. However, in this poem they say that no lions or witches scared them, which means there is no threat. It is the opposite of scary, it is calming. Reading is full of surprises for the person in the poem.
Hope i'm right