22.--- What his parents doing --- _ having lunch.A.is,He’s B.is,He C.are,They’re D.are,They

分类: 作业答案 • 2022-07-06 10:07:54

问题描述：

22.--- What ______ his parents doing --- _______ having lunch.A.is,He’s B.is,He C.are,They’re D.are,They

答

选C
保证准确~

答

选 C。复数

答

C. 考察现在进行时的用法
现在进行时的结构是：be doing

22.--- What ______ his parents doing --- _______ having lunch.A.is,He’s B.is,He C.are,They’re D.are,They