Horses used usedcarrying things for people A.to be；to B.to being；for C.to be；for

分类: 作业答案 • 2022-01-09 18:04:21

问题描述：

Horses used __ used__carrying things for people A.to be；to B.to being；for C.to be；for

答

used to be used for carrying..
used to be 曾经被
used for 作为...(的工具)

Horses used __ used__carrying things for people A.to be；to B.to being；for C.to be；for