39.To work in such a place you have to be ______ to these things.

9. We agreed to accept _______ they thought was the best professor in the college.

1.解释教育问题是教育学的根本任务。（ ）

34.Early to bed and early to ______ makes a man healthy, wealthy and wise.

14.The _______ of the Titanic was found in September 1985, but recovering it is a very difficult prospect.

19.If the _______ is correct, the spacecraft should reach the moon on Monday.

18.We walked ________ into the forest and lost our way ; we _______regretted it.

16.I was surprised by her words, which made me recognize ________ silly mistakes I had made.

16.现代学制最早出现在欧洲，于19世纪末初步形成，下列属于单轨学制的国家是（ ）。

33.They’re always ______ unimportant matters.

49.Is this really the fate facing with educated women: either no marriage at all or the marriage with more housework? Nonsense. 

47.Scarcely had we arrived at the farm when we spotted many oranges hang from the branches.