It’s the first time that he has been to Australia ,______?

How often do I need to feed the dog–It food every day, or it will be hungry.

The Greens _________ in China since 1999. They are having a happy life.

Daddy, would you buy me an ipod if I do well in this monthly exam?— I ________, I promise.[ ]

He remained calm ________ nothing had happened,______ astonished all of us.