---Could I borrow your dictionary?---Of course you ________.

—Look! That man looks like Mr．Brown．—It ________ be him, for I know he is at home．

The first question was difficult, but the rest were pretty easy.

(2010·北京高考)—Good morning. I've got an appointment with Miss Smith in the Personnel Department.—Ah, good morning. You ________ be Mrs. Peters.

She __________ have left school, for her bike is still here.