问题

Only when he read the newspaper _____ the US President Obama would deliver a speech in his university[ ]

A: he knew
B: he had known
C: had he known
D: did he know

正确答案是：

同类题型

as very brave Even though she’dhurt her leg, she ______ go back alone

Seeing a stranger with a knife in his hand, the little girl stood under the tree, _______ out of her mind

The activities organized by our school really gave us a platform ________ we learned team spirit[ ]

Let’s go and see a movie.—Great! The TV shows are too ________.

From his ______ look, we could see that he hadn’t expected that we could raise such ______ questions to him.