作业帮 > 英语 > 作业

As we approached the work site,the workers were seen_

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/09 09:25:11
As we approached the work site,the workers were seen_
As we approached the work site,the workers were seen_the newv house.
A.building
B.build
C.built
D.to build
选了D,想问问为什么选A不选D
当我们接近建筑工地时,发现工人们正在干活
ing形式,表示当时看见某人正在做某事