—Our school is so big. We must clean it up as soon as possible.—Don’t worry. ________.
There is ________ food. It’s enough for us to eat for a week.
My sister is ________ shy when she speaks to others.
He’s ______ China twice. He’s visited many interesting places there.
My brother spends time in front of the computer.
The girl is afraid of dark, so she always sleeps with the light .