--Ann is in hospital.

--Oh, really? I _______ visit her.

A. didn’t know ; I’ll go and            B. don't know; I'll go to

C. haven't known; I'm going to         D. hadn't known; I would

--Ann is in hospital.

--Oh, really? I didn't know. ________ and visit her.

[　　]

--Ann is in hospital.

--Oh, really? I didn't know. ________ and visit her.

[　　]

-Ann is in hospital．

-Oh, really? I ________.________ visit her．

1. A.
   didn’t know; I’ll go and
2. B.
   don’t know; I’ll go and
3. C.
   didn’t know; I would go and
4. D.
   haven’t known; I’m going to