Помогите прошу срочно!! Даю 20 баллов!!

Sam isn't here, is he?
Brittalyn can speak fluent Mandarin, can't she?
They were here last night, weren't they?
The pizza delivery guy hasn't arrived, has he?
We could visit Aunt Leslie, couldn't we?
You didn't forget about the party, did you?
You are bringing the cake, aren't you?
We ate in this restaurant before, didn't we?
The children don't like frog legs, do they?
Adam Levine sings well, doesn't he?
Mine Craft is challenging game, isn't it?
There is no noodle house along this street, is there?