6. Joan is in the dorm, putting the final _______ to her speech.

5.教师的劳动没有严格的交接班时间界限。（ ）

36.We unanimously elected him ______ chairman.

25.— We have to stop talking here outside. Listen, _______!—Hurry up, or we‘ll be late.

33.They’re always ______ unimportant matters.

48.The 42% of Americans who have at least one step-relative typically feel a stronger sense of obligation to their biological parent, child or sibling than to their step-relatives.

5. Why the explosion occurred was ________ the laboratory attendant had been careless．

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

2.在中世纪的西方教育中，基督教的“原罪说”是典型的（ ）。

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

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

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