求高手指导几道英语选择题...关于代词部分的

求高手指导几道英语选择题...关于代词部分的
Look at that girl on the stage,she is already fifty
You are joking,She doesn't look _____
A so B it C that D the one
我选的是A,这两个我老是分不清,可以分别讲一下用法吗?
Which office is Henry White in?
Henry White?I've heard of ____ there
A no such a person B such no person
C no such person D not such a person
我选的是D,说实话,我根本就没看过这种用法的...
How many AIDS patients can there be in our province before the end of the century
There may be ____ enerif ____
A some;not much B not many;a few C quite a few;any D few;any
翻译是什么...看不大懂回答的那句.
Which do you like better,the green one or the white one?
____
A I like all B Every one is OK C Each will do D Either will do
为什么不选D...好像也还可以样的吖...