He feels lonely because he has no close friends ____.
—Someone is knocking at the door. Is it Ann?—It _____ be her. She is giving a performance at the theatre now.
If Nancy ______ the exam, she will go to Australia for English study.
Not only my friends but also I _______ interested in football and Messi is our favorite star.
Again and again the doctor_______ the crying baby girl, but he couldn’t find out what was wrong with her.
—What do you think of the film So Young directed by Zhao Wei?—Wonderful. I think it’s _____than the other films about youth in recent years.