How old are you?

你多大了？

How old is she?

她多大了？

Dad, this is Li Lei. Li Lei, this is my father.

爸爸，这是李磊，李磊，这是我爸爸。

What colour are they?

什么颜色的呢？

Yes, I have a small one.

我有一个小的。

Jim is writing. Lily isn't writing. She's looking at the blackboard.

吉姆在写字。莉莉没在写字。她在看黑板。