People who eat a balanced diet should be healthier than ______ who only eat meat.
—There’s too much work to do this month.— Don’t worry. Let’s a plan first. Then we can complete all work well.
—Whose book is this ? — It must belong .
—How do you spend your weekends?—At weekends I prefer _______ at home to _______ out.
—Who’s that boy reading in the study ? Is it David?—It __________ be David. I saw him go home just now.
—What ______ you? —I’m _______ of being left alone in the house.