I had a lot of trouble______the book you wanted.A.to find B.to finding C.find D.finding 为什么选D最好说明用法!急

分类: 作业答案 • 2021-12-19 15:34:38

问题描述：

I had a lot of trouble______the book you wanted.A.to find B.to finding C.find D.finding 为什么选D
最好说明用法!急

答

have trouble dong sth 固定搭配有困难做某事

答

D have trouble/difficulty (in) doing sth

答

have trouble (in) doing sth.固定搭配.介词in 经常被省掉