nice weather it is today! The boys are playing outside in the open air.
A. What, happily
B. What a, happily
C. How, happy
D. How, happily
网友回答
(答案→)A. What, happily
B. What a, happily
C. How, happy
D. How, happily
解析：本题的第一句是感叹句，what修饰名词，不可数名词weather无需加冠词，修饰动词play要用副词happily，故本题选A。