1.Please open the windows.
2.Please keep the classroom clean .
3.Let him wait for a while .
4.Close your book.
请把窗户打开.用英语怎么说请保持教室干净.用英语怎么说 让他等了很长一段时间.用英语怎么说合上书.用英语怎么说
1.Please open the windows.
2.Please keep the classroom clean .
3.Let him wait for a while .
4.Close your book.