_______no doubt that a green campus plays an important role in the growth of students, both physically and mentally.
26. — Ring me at six tomorrow morning, will you? — Why that early?
25. Mike _______ have known the solutions to this problem, or he would have told us.
24. He apologized for his mistake, saying that he ___________no offence.
23. He was rejected for the job vacancy because he couldn’t be ______even for the interview.
22. —I think we have to solve _____ problem of air quality for the Great International Art Festival held in our city next year. — Yes, and the government is trying to think of _____ way out and there is more than one solution