问题

Only when he told me the news _____ what had happened.[ ]

A: I knew
B: I did nkow
C: knew I
D: did I know

正确答案是：

同类题型

Here are some ______. Do you like______

They used ________ basketball in the park.

It is necessary for us to________these interesting old customs.[ ]

Dad, this phone is ringing, I guess either you or Mum on the phone.

It must have taken a long time to _______ all the facts of these old books.