—Do you ______ the idea of living a low-carbon life?—It sounds tough, but it is a tendency.
30. He’s making_____great progress in his lessons that everyone else in his class can’t believe it.
29. When I met him last year in Beijing, he was busy ___________ a new job.
28. You have done wrong to Jack, _____you should say sorry to him.
27. That’s the woman one of __________ daughters works as an engineer in the US.
26.The house I grew up______has been taken down and replaced by an office building.