I had a diffcult time ( )my homework yesterday . A.do B.to dou C.doing. D.die

分类: 作业答案 • 2021-12-01 16:46:21

问题描述：

I had a diffcult time ( )my homework yesterday . A.do B.to dou C.doing. D.die
解释理由

答

C.doing 固定搭配had a diffcult[hard] time (in )doing sth/sth[作某事有困难或不容易]