例句：

　　各位上午好。請(qǐng)入座。

　　Good morning, everybody. Please have a seat.

　　親愛的老師們同學(xué)們，大家上午好！

　　Good morning, boys and girls. Good morning, dear teachers!

　　上午好。謝謝你們。非常感謝你們。

　　Good morning. Thank you. Thank you very much.