I’m sorry that I can’t pass you any salt because there is_________ in the bottle.

So far, the moon ________ by man already.

Look! The boy is running fast! –He might ______ to catch a bus.

I ____this English book since I came to Zhongshan High School.

Mike, why did you make no reply to me when I called your name in the street just now?-Sorry, Tom. I_______ to my mother on the phone.