问题
选择题
Look, the children are playing ______. They are all very ______.
A．happy, happily
B．happily, happy
C．happily, happily
D．happy, happy
答案
答案：B
题目分析：happily,高兴地，幸福地；happy高兴的，幸福的。句意：看，这些孩子们正在高兴地玩。他们非常幸福。结合语境可知前一空是用副词做状语，后一空是用形容词做表语。故选B。