He went to see the man who was in hospital yesterday. — ____________.

The girl is ten years old(岁).name is Cindy.

You should read some good books and they can ___________ a new world to you.

Whose is this blue bike? －It ________ be Mary’s. Her bike is black and white.

What’s the low-carbon(碳) life style like?—-Save energy, produce carbon.