a lot 是副詞,修飾形容詞,副詞,或動詞
I feel a lot better. (better為形容詞)
I like it a lot. (a lot修飾動詞 like)
I run a lot faster than he. (faster為副詞)
We don′t need ______ bread for a picnic...-阿摩線上測驗