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

----- Did you go to Sam's weekend party?　　   ----- No, I ______________.

— Would you like _______ the Mountain tommorrow?— If my mother _______ . I will go with you.

While she       , she cut herself.

—Were you at school when it began to rain? —Yes. I            with my teacher at that time.