Mr. Smith is _____ great fun and we had _____ great fun with him.

 A. a; 不填     B. a; a       C. 不填; a  D. 不填; 不填

Mr. Smith is _____ great fun and we had _____ great fun with him.

 A. a; 不填    B. a; a     C. 不填; a  D. 不填; 不填

Mr. Smith is _____ great fun and we had _____ great fun with him.

Mr．Smith is ________ great fun and we had ________ great fun with him．

1. A.
   a；不填
2. B.
   a; a
3. C.
   不填；a
4. D.
   不填；不填