—You ________ be quiet when you’re in the reading room, Jim. —OK, I ________. A. can; will B. should; will C. may; shall
—My father’s just come back from work, __________?— __________. He is having a rest in the room.
— I don’t like my life in this school. I sometimes feel so_____ and helpless.— I don’t think so. You are never____ because all your classmates are ready to help you.
— When did your parents __________?— They ___________ for 20 years.
Is _______ air pollution ________ serious problem now?
-- try some Chinese food with your friends ?-- Good idea.