“Thank you” is widely{#blank#}1{#/blank#}in a modern society. It is a very good manner. You should say “Thank you”{#blank#}2{#/blank#}others help you or say something kind to you. For example, when someone{#blank#}3{#/blank#}the door for you, when someone says you have done your work well, when someone says you have{#blank#}4{#/blank#}a nice shirt, or your city{#blank#}5{#/blank#}very beautiful, you should say “Thank you”. “Thank you”is used not only between friends,{#blank#}6{#/blank#}between parents and children, brothers and sisters, husbands and wives.

    “Excuse me”is{#blank#}7{#/blank#}short polite usage. We use it the same as “Thank you”. When you hear someone say so behind you, you'll get to know that somebody wants to walk past you without{#blank#}8{#/blank#}you. It is not polite to interrupt (打断) others while they are{#blank#}9{#/blank#}. If you want to have a word with one of them, please say “Excuse me”{#blank#}10{#/blank#}, and then begin to talk. You should also do so when you want to cough or make any unpleasant noise before others. Let's say “Thank you” and “Excuse me” on the right occasion.