Answer:
informal is the first sentence and formal is the second sentence.
There are quite a few English words that contain letters that are not suppose to be said including: debt and write. These left out letters can often tell us about the history and origin of the word and some places in the world has these which can tell us about who lived there at the time. This is called etymology.
Hope that this answer helped. ☺
The answers are as follows:
1.Percy confesses his ability to see Mrs Dodds to Grover
2.His mother tells him no details about his dad except for their similarity.
Explanation:
Percy throughout the first three chapters sees a character called Mrs Dodds whom no one else can see and he is confused as he treats her as his teacher and one day she confront him yo confess something that he has no idea what he has done.
He eventually tells his Mother bout the situation with Mrs Dodds and she in turn talks to him about his dad which he wanted to know but he does not get much in terms of his identity from her.