问题
选择题
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
答案
答案:D
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
答案:D