21. Read the text again and find out: 1) how Peter demonstrated his politeness when he met Wendy; 2) in what way Wendy's name differed from Peter's; 3) what Peter's address was; 4) what made Peter very happy; 5) when Peter ran away from home; 6) where Peter had lived before and where he was living then; 7) what story Wendy's mother was telling the children when Peter came to listen at the window; 8) what made Peter ask Wendy to come away with him; 9) what he said she could do for them.