问题

Edward, you play so well, but I _____ youplay the piano.
A:the publichave known
B:hadn’t known
C:don’t know
D:haven’t known
B:hadn’t known
C:don’t know
D:haven’t known
正确答案是:
同类题型
The news came as no surprise to me. I ______ for some time that the factory was going to shut down.
Our teacher always says, “_____careful you are, _____mistakes you’ll make”.
If I ______ten years younger, I _____ very happy.
This picture was taken when my father was a child and even I myself couldn’t _____.