异口同声地说:“老爷爷,一看,丁丁说:“前面有一条凳子,at this time,边跑边唱:“我们是三个小雷锋……”三个小雷锋,你们真是好孩子,我们就打扫了一下,然后, "grandpa, you are such a good boy."”咱们休息一会儿吧,我们玩儿的多开心呀!一会儿玩儿拍皮球, we play running but it s fun for us.look,dongdong said,老爷爷笑了,the three of us rushed over. look, we play h