OK. Right. That’s right. You’re right. You’re correct. Good! Very good! Great! Wonderful! Perfect! Super! Excellent! Remarkable! Marvelous! Magnificent! Fantastic! Terrific! Well done! Nice work! Good job! Try again! Try harder. Have a try, please. It doesn’t matter. I think you can do it better. You are improving. You are making progress. You are on your way. You really tried. I can see your progress.
体态语、Signs （大拇指、笑脸、实物、数字、图片、粘贴纸等）、书签（ Excellence! Congratulations! Star students; Super star!）、拼图等等
A philosopher said , “ You have an apple and I have an apple as well, but we have only one apple each when we exchange the apples . You get a thought and I get an idea as well ,but we have two ideas each after we exchange them .” So communication is necessary and important .