I think father would like to know _____ I'v been up to so far,so I decide to send him a quick note.A.which B.why C.how D

分类: 作业答案 • 2021-12-29 10:16:04

问题描述：

I think father would like to know _____ I'v been up to so far,so I decide to send him a quick note.A.which B.why C.how D.what 并且麻烦问一下里面的“be up

答

选D吧
UP TO 有在做什么事的意思