Hello, Mr Brown.
你好，布朗先生。
Hello, it's us back again.
嘿！我們又回來了。
Dear teachers and students,. We are from the English typing group.
同學們，老師們，大家早上好。我們來自英語打字社團。
Dear teachers and students: Good morning! Today my topic is'civilized manners and habits'.
尊敬的.老師、親愛的同學們：早上好！今天我國旗下講話的題目是：文明禮儀、習慣養(yǎng)成。
Dear teachers and fellow students, Good morning!
親愛的老師和同學，大家好。