The weather in Beijing is not good that in Hainan. A. as; thanB. so; asC. than; asD. as;

问题补充：

The weather in Beijing is not good that in Hainan.

A. as; than

B. so; as

C. than; as

D. as; so

答案：

A. as; than

(答案→)B. so; as

C. than; as

D. as; so

解析：固定结构as…as表示和…一样，表示两个事物在某一方面相同，其否定形式是not as…as表示在某些方面不一样，其中第一个as可以用so来代替。故选B。