—Hello, may I speak to Mr Green , please?—Sorry. He ________ a meeting. Can you call him later?

 — I was at the cinema at 9 o’clock last night. What about you?    — I _____ at home.

Many accidents _________ by careless drivers last year .

What        you        when the earthquake happened?

—How many times ________ Li Yan ________ to the Great Wall?—Twice.