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American people have the habit of saying “Thank you” when something kind is done for them or something polite____(say) to them, no matter _______ easy the thing is. This habit is learned by people of many_____ countries.
You should say “Thank you” when someone gives you the salt on the table, when someone walks aside to let you ____ in a corridor(走廊), when someone_____(walk) ahead of you keeps the door open ____ you, when someone says your work is well done or you have bought a nice thing, or your city is very beautiful.
“Thank you” is said not only between______(strange) or new friends, ____also between old friends, parents and children, brothers and sisters, husbands and wives. Parents often tell ____(they) children that they should say “Thank you” in answer to a kind word or act when they are only four or five years old. Perhaps that’s why almost everyone has ____(get) this habit.