(84)程海和卓红走在工区宽阔的大道上。小贝和几个同学嬉笑着走来，程海问他们到哪里去，小贝说：“到我家帮我补课。”卓红要小贝教他们做滑翔飞机，小贝点点头。

(84) Cheng Hai and Zhuo Hong walked along the wide avenue of the work area. Xiaobei and a few classmates walked over, laughing and chatting. Cheng Hai asked them where they were going, and Xiaobei replied: “To my home to help me make up my lessons.” Zhuo Hong asked Xiaobei to teach them how to make a [model] glider, and Xiaobei nodded.