从方框中选择合适的短语并用其正确形式填空。(10分）

come from

how old

in English

have to

look at

_________ that nice girl! She is my good friend.
She lives in Canada. But she  __________ China.
--___________ is your sister?
--We are the same age.We are thirteen.
Ben doesn’t have time now.He  __________ help his sister with her English.
We can say this word  ____________.