单项选择题
A.性 B.数 C.人称 D.格20.
A.ThenewspaperisreadingbyJhon. B.ThenewspaperisbyJhonreading. C.ThenewspaperisbeingreadbyJhon. D.ThenewspaperisbeingreadedbyJhon.
A.性 B.数 C.格 D.体