初一英语选择,请说明原因
1.The ___girs is singing and dancing ____.
A.happy;happy B.happily;happy C.happy;happily
2.Boys and girls,are you quite ___about my words?
A.clear B.claen c.know
形容词和副词在一题中的用法有什么不同,为什么要这样呢?