Question

Ren Changxia is ________ good policeman that she is loved by all people.

1. A.
   such
2. B.
   such a
3. C.
   so
4. D.
   so a

Answer 1

B
考查such与so的区别。区别如下：(1) such+a/ an+adi.+n. (可数名词单数)
such十adj.+n. (可数名词复数或不可数名词)
(2)so+adj.+a /an+n. (可数名词单数)
so many /few+n. (可数名词复数)
so much /little+n. (不可数名词)由上可知B为正确答案。