“I called you yesterday. A woman answered, but I didn’t recognize her voice.” “Oh, it _____ my aunt Jean.”

The importance of saving gas ______ be stressed too much. Automobiles use up some 70 billion gallons of gas a year.[ ]

Mr.Smith an imprtant part when he gave the lecture last Friday .

I’m surprised to hear that Sue and Paul have ________.-So am I．They seemed very happy together when I last saw them.

Do you like the music(音乐)–Yes, it’s _________