74.During the economic crisis, they had to cut back production and（ ）workers.

51.They overcame all the difficulties and completed the project two months ahead of time,（ ）is something we had not expected.

50.It is futile to discuss the matter further, because（ ）going to agree upon anything today.

49.（ ）I like economics, I like sociology much better.

48.Time（ ）, the celebration will be held as scheduled.

47.The opening ceremony is a great occasion. It is essential（ ）for that.

46.Your ideas,（ ）, seem unusual to me.

45.–— Does Alan like hamburgers?—— Yes. So much（ ）that he eats them almost every day.

44.Who（ ）was coming to see me in my office this afternoon?

43.Above the trees are the hills,（ ）magnificence the river faithfully reflects on the surface.

42.Jack（ ）from home for two days now, and I am beginning to worry about his safety.