The first snow fell in December in our province last year was uncommon.A. itB. whichC. tha

问题补充：

The first snow fell in December in our province last year,was uncommon.

A. it

B. which

C. that

D. what

答案：

A. it

(答案→)B. which

C. that

D. what

解析：这题考查非限制性定语从句，which是代指前面的句子，句意是：去年我们省第一场雪是11月下的，这是不普遍的。选B。