Skiing in Taiwan is most of the time because there's very little snow there.A. common B. n

问题补充：

Skiing in Taiwan is most of the time because theres very little snow there.

A. common

B. necessary

C. normal

D. impossible

答案：

A. common

B. necessary

C. normal

(答案→)D. impossible

解析：句意：在那个时间在台湾滑雪是不可能的，因为那里有很少的雪。common 共同的； necessary必要的； normal正常的； impossible不可能的。根据句意故选D。