A giant of a man was standing in the doorway. His face was almost completely hidden by a long and untidy hair and a wild beard, but you ______ make out his eyes, shining like black beetles under all the hair.

You ______ be hungry already—you had lunch only two hours ago!

—____________you swim?   —Yes，but I’m not a good swimmer.

John, look at the time. ____ you play the piano at such a late hour?

—Mary broke up with me! —You____ have forgotten about the Valentine's Day．