题目内容：

1.I'm really___today.A.busier B.busiest C.the busiest 2.It's a fine day___.A.to walks B.to walking
C.for a walk
3.How often do you have history?____A.Everyday B.Often C.At school

优质解答

1.应填 busy really加原级
2.C.for a walk
3.B.often

追问：

第2题为什么选C呢？能翻译一下第3题吗？非常谢谢