Only when he read the newspaper _____ the US President Obama would deliver a speech in Fudan University.
A.he knew | B.he knows | C.does he know | D.did he know |
推荐套卷
Only when he read the newspaper _____ the US President Obama would deliver a speech in Fudan University.
A.he knew | B.he knows | C.does he know | D.did he know |