look at the____girl How______she is singing!

问题描述:

look at the____girl How______she is singing!
A,happy;happy B,happily;happily C,happy,happily D,happily;happy

选C.
girl应该用形容词来修饰,就是happy;
而how后面的词应该是修饰singing的,是副词,选happily.