根据文本内容,判断正误。Tingting and Lele : Hey, Peter! What are you doing?
Peter : I'm solving a word puzzle. Can you do it?
Tingting: Sure. It's easy.
Lele: Let me see. It's a piece of cake.
Peter: Good! Then find the missing word.
Tingting and Lele: No problem. Sixty-two minus nine is fifty-three.
One hundred plus two hundred is three hundred...
Peter: Have you finished?
Tingting and Lele: Yes.
Peter: What's the missing word?
Tingting and Lele: G-R-E-A-T, great.
Peter: You are so great!