he brouhgt a new book with him 他带了一本新书
please take the letter to the post office 把信带到邮局
mary has gone to fectch water 玛丽已经去取水了
let me carry the box for you 我来给你那这个盒子吧
the teacher lets every students answer a question 老师让每个学生都回答一个问题
i have a problem can you help me 我有件事你能帮我个忙吗