Что можно вставить туда? ( после первых монготочий)

Misha: hello! My name is Misha. And what's your name?
.....……………………….
Misha: I'm ten. And you?
Abby: .............................................................................................
Misha: sorry?
Abby: ..............................................................................................

My name is Abby. How old are you?I thought that  you know my ageI study with you at the same form for tree years...