The+landlady,+Jasper's+answers

 the hotel kept getting bigger in his mind and he can't resist to knock on the door.
 Question

it is because the hotel is like a good hotel

 Question

no one know the place really well.

 Evaluate

billy think the landlady is a really strange woman.the landlady thought that billy is like the past 2 guest live at her hotel

 Evaluate

yes by not let him talk about it

5 (B)
6.it is because he wanted to respect other people 7.to let her know his name and how many day he stay 8.what billy wanted to say? 9.yes because it make Billy wanted to know more about him.

Interpretation
It make the landlady to cut the price/ lower the price.yes it is because maybe the landlady feel pity to billy. Her manner is kind and polite.