Julie is nine,

1.   ?    isn't she?
2.   ?    

Brad likes chocolate,

1.   ?    doesn't he?
2.   ?    

Molly and Greg come from Australia,

1.   ?    don't they?

Peggy and John went to New York last month,

1.   ?    didn't they?

Nellie and Vicky were cleaning the attic,

1.   ?    weren't they?

You are going to buy that house,

1.   ?    aren't you?

She will help you,

1.   ?    won't she?

She was at home,

1.   ?    wasn't she?

Julie and Ben will come soon,

1.   ?    won't they?

I am nice,

1.   ?    aren't I?