Where is your sister, Dick? I need her help. — Dad, she in her room. Let me help you instead.

I have two story-books. One is for you and ______ is for your sister.

About The population is ____________ as ten years ago.

Where’s your father?－He__________ Hongkong for three days.

What did you do yesterday?—My brother took two friends of ________ to play chess with us. But I don’t’ know _______ of them.