______ bikes are new, but ______ are old.
—There is a girl in front of our classroom. Do you know ? —She is an English teacher.
—Look! The boys are playing football excitedly! — good time they have!
Food safety is important. Rules to stop people from food pollution.
—Tom’s desk is always clean and tidy. —Yes, he his school things every day.
The magazine be Lily’s, for we can find her name on the cover.