语法求助，请高人指教

lllijie

1.In the early years of the Republic,George Washingto (proposed) the (establishment) of (an) university in the nation's capital.
2.In (architecture) a vault is (a roof) (or ceiling) in the (shapes)of an arch.
3.(Film) directors can take far (great)liberties in dealing with (concepts) of time and space than stage directors can.
4.Traditionally,ethnographers and linguists (have paid) little attention to cultural interpretations (given to)silence, (or to)the types of social contexts in (which tends) to occur.(这句话的意思是什么都没看懂，汗！）
5.The research (of ) Percy Julian has contributed to the (creation) of the drugs that are (in) widespread use (over)
victims of arthritis.

[此贴子已经被作者于2005-7-26 9:29:29编辑过]

n9ga1

(an)

shapes)

great

(which tends)

creation