1.A.to whom
The doctor is very well know,______ she went.
定语从句,先行词是doctor,所以用who/whom,后面的搭配是go to a doctor,doctor是to的介词宾语
2.B.some of whom
The citizen,_____ were workers,welcomed the new law.
理由与上句基本相同,定语从句先行词The citizen,所以用who/whom,
some/all of whom都可以
3.C.from which
This is the book _____ I copied the paragraph.
定语从句先行词book,所以用that/which,
copy paragraph from the book,是from的介词宾语,只能用which
4.carries out
China now _____ a new policy of opening to the outside world.
carry out 意为贯彻,实行,本来就是延续性的动作,不需要用进行时
5.D.as to
I know he is out,______ where he goes,I have not idea.
I have no idea=I don't kown
as to意为关于,where he goes是宾语从句
全句意为我知道他出去了,关于他去哪儿了,我不知道
6.C.have been introduced into
More and more advanced technologies ______ our country.
技术被引进,所以用被动态 C.have been introduced into
