I haven’t seen my old friends for years, I ‘m  looking  forword ______ them.

It is hard to say what kind of person he is．Sometimes he is very friendly; at other times he ___ be very cold．

(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.

—Where _____ Mary have put the empty bottles? — She _____ them away. They must be somewhere. 

 —Must we finish the project in a month?—No, you _______.