向着知了他们走来，steve和richard还在嬉戏，知了察觉到了危机，装作没事一样收拾书包。
ia站在他们面前：“what were you talkg about the css？”
richard立刻意识到不妙，镇定了一下说：“we are talkg about the paper writg。”
ia略带嗔怒地说：“reber, the school is responsible to report students’ behaviors to the iigration officer, and i hope this is the st ti you did the css。”
richard吐了下舌头，知了和steve则满脸通红地满头冒汗。