the whole class is in a bad mood.today， when he was building a building in english，my deskmate is cheng jiaqi. he doesn t study very well，有一天，全班同學(xué)樂壞了，英語老師說：“程佳琦同學(xué)起立，我的同桌， "cheng jiaqi s classmates stand up." mr. yang asked him，你今天蓋了幾層大樓，他學(xué)習(xí)不太好，這就是我的貪玩的同桌