I often have a___breakfast,but my teacher tells me eating___is not good for my health.详见补充.

问题描述:

I often have a___breakfast,but my teacher tells me eating___is not good for my health.详见补充.
填quickly或quick.

1.quick
后面是breakfast,所以是形容词来修饰名词
2.quickly
是来修饰eating,修饰动词用副词
【俊狼猎英】