---Look at the glasses on the desk. Are they David’s?---They belong to him. I saw him go out with glasses just now.
---What movies do you like? ---I like action movies because they’re interesting.
We must save the animals .
I think you must the rules. Please .
There are people in the shop. So the shop is crowded(拥挤的).
Mr. Smith goes to work his bike, but his daughter goes to school subway.