hard work it is! But fun it is to finish walking the trail.A. What; howB. What; whatC. H

问题补充：

hard work it is! But fun it is to finish walking the trail.

A. What; how

B. What; what

C. How; how

D. How; what

答案：

A. What; how

(答案→)B. What; what

C. How; how

D. How; what

解析：本题考查感叹句的构成。句中work，fun都是名词，所以用what。句意：多么艰难的工作啊！可沿着铁轨走完又是多么有趣啊！