28. A heavy snow promises a good harvest is often the case.A. whereB. asC. thatD. What

问题补充：

28. A heavy snow promises a good harvest, is often the case.

A. where

B. as

C. that

D. What

答案：

A. where

(答案→)B. as

C. that

D. What

解析：可联系答.案.网客服索取。