He is a man of few words, and seldom speaks until _______ to.
—Your mother becomes more and more forgetful. —Yes. She searched for her cellphone for a whole day last Sunday but it ___ in her coat pocket the next day.
—Who______ it be that is knocking at the door? —It ______ be Father, but I’m not sure.
—Daddy, can you buy me a new MP3 when you go to Beijing? —You ______ get one if you are admitted to a key middle school.
—How many teachers are party members in your school? —Part members___________________ one fifth of the number of the teachers in our school.
— May I have _______ honor of dining with you ? — Sure , I feel quite honored , because you are _______ honor to our city .