A-A+ Mr. Wang and his son both looking very happy 2022-08-06 07:30:36 问答库 阅读 177 次 问题详情 Mr. Wang and his son, both looking very happy, ______ taking a walk in the park. A. are B. is C. has D. have 参考答案 正确答案:A 7.此题考查主谓的一致性及时态。And 连接两个主语,谓语动词用复数,其行为为现在进行时态。选项A是正确的。