Where is Mr.Yellow?He_____in his room.A.read B.reading C.is reading详细理由

问题描述:

Where is Mr.Yellow?He_____in his room.A.read B.reading C.is reading详细理由

C.is reading
这句话的意思显然实在问黄先生现在在干什么
所以用现在进行时

C 现在进行时, 主语第三人称单数,排除A,而B现在分词不能单独作谓语.