Very few people are to be seen in the streets after 8 pm.为什么用are to be seen?这是什么知识点?

2022-10-05   23次   反馈错误   加入收藏   正确率 : 100%  

• 优质答案解析

本题链接： https://www.chengdubuxi.cn/yingyu/k5rd6.html