They sang beautifully. — 英语词汇题

根据句意和首字母提示，补全单词，使句子完整正确： 1. They s________ (sing的过去式) a Chinese song at the party. They sang b________（美丽地）. 2. We w________ (go的过去式) to the park and t________ (take的过去式) some pictures. The flowers were beautiful! 3. Tom a________ (eat的过去式) an ice cream. He was happy.