Question

【题目】On the way back home, the two boys walked happily, ________.
A.singing and danced
B.sang and danced
C.singing and dancing
D.sang and dancing

Answer 1

【答案】C
【解析】and是并列连词，前后词的形式要一致，先排除选项 A和 D。句意是：在回家的路上，两个男孩高兴地走着，边唱边跳。用现在分词作伴随状语，故选C。