37.David gave his girlfriend a ringby his grandmother for all her life.

33.We objectpunishinga whole group for one person＇ sfault.

32.Whether you learn or not is entirelyyou.

31.a certain extent, we are responsible for this accident.

30.Having a good command of English isan easy thing.

29.Ten days ago the young man informed his bosshis intention to resign.

28.Would you spare some time to have a chat with mea cup of coffee?

27.Finally he got time for a glancethis report.

26.driving to work, Mr. Lead usually goes to his office downtown by subway.

25.Ryan was late for the conference yesterdaythe traffic jam.

24.No one should blind himselfthe well-known fact.