发布网友 发布时间:2023-07-10 17:09
共3个回答
热心网友 时间:2024-12-01 11:52
看主语,主语能发出这个动作就用built,比如i built a house,如果主语不能发出这个动作就用be done,比如the house was built by me热心网友 时间:2024-12-01 11:52
看主语是什么。比如前一种:He built the building last year.主语是人。后一种:The building was built by him last year.主语是物,即大楼。 请采纳热心网友 时间:2024-12-01 11:53
视情况而定