____ up late at night is bad for your health. A. Stay B. Staying C. stays
There ________ some tomatoes and milk in the box, but now there aren't any.
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?