--- Mr Wu hopes will have the drawing lessons tomorrow.--- Oh, dear. I wanted to help me do the cleaning.
Our school is ________ a park and a big library.
Is this ________ bike? No. ________ is over there.
—Hello, may I speak to Mr Green , please? —Sorry. He ________ a meeting. Can you call him later?
I can't find ________ beef in the fridge. Shall I buy some?
Mark Twain ______ school and began to work at the age of twelve.