纠结的大全语法

cristina2

The distinctive hereditary tartans that are alleged to be worn since antiquity by members of the Highland clans were in fact designed by Scottish woolen manufacturers in the eighteenth and nineteenth centuries.

(A) that are alleged to be worn

(B) alleged to have been worn

(C) that are worn, it was alleged

(D) alleged as having been worn

(E) that are worn, allegedly

B正确, A为什么不选？

11.   One of four babies are now born to mothers aged thirty years or more, compared with just one of six born in 1975.

(A) of four babies are now born to mothers aged thirty years or more, compared with just one of six born

(B) of four babies is now born to a mother whose age is thirty or older, compared to just one of six babies who were born

(C) baby in four are now born to mothers aged thirty or older, compared to just one in six

(D) baby in four is now born to a mother aged thirty or older, compared with just one in six

(E) baby in four is now born to mothers aged thirty years or more, compared to just one in six

[bgcolor=yellow]D[/bgcolor]，怎么定位单复数？

12.   School desegregation has worked well in Buffalo, New York
, in part because parents and teachers were given major roles in designing the city’s magnet schools, because extra federal funds were allocated to make each school unique, and because the federal judge enforced desegregation orders.
(A) because extra federal funds were allocated to make each school unique

(B) because of the allocation of extra federal funds that make each school unique

(C) because each school is made unique by allocating it extra federal funds

(D) extra federal funds were allocated in order to make each school unique

(E) extra federal funds were allocated for making each school unique

A, 可是逗号不能连接单独的主谓结构啊?

yhwut

第一题
since是完成时的标志啊，另外A的that are可以省略，不省略便是不简洁了
第二题
one of sth主语是one，谓语单数
A is..., compared to B,注意AB要平行
第三题
逗号连的是三个平行的，由because引导的从句。主谓宾都完整