May I use the restroom ?, May I drink water ?, Excuse me, I have a question, Excuse me, I need help, I don't know the answer, Thank you so much, It's no problem ! you,re welcome, Excuse me, can I drink water please?, Hello, good morning class, Hi, good afternoon teacher, Im fine thanks, how are you doing ?, how is it going ?, How have you been ?, Im doing well thanks and you ?

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