根据对话内容,在每个空白处填上一个适当的词语,使对话的意思连贯,完整.

根据对话内容,在每个空白处填上一个适当的词语,使对话的意思连贯,完整.
excuse me,is this your pencil?
______,it isn't.it is im's pencil.
1. jim?_____ is jim?
2.oh,he is my good friend.
1. how old is he?
2. he is twelve _____old.
1. what ______is he in?
2. he is in class 1,grade 7.
1. what's his telephone number?
2.______is 5863-3772.
1. thank you.
2.that's ok.