―I don't believe that John can remember what the robber was like．

―You're quite wrong. l know it was dark. but he            the robber's face ―I'm sure of it！

A．had seen    B．was seeing    C．did see     D．would see

— I don’t believe that John can remember what the robber was like．

— You’re quite wrong． I know it was dark, but he 　　　 　 the robber’s face — I’m sure of it!

A．did see            B．was seeing            C．had seen           D．would see

—I don’t believe that John can remember what the robber was like.

　—You’re quite wrong. I know it was dark, but he ___the robber’s face—I’m sure of it.

　 A．did see　　　 　　　　　　　 B．was seeing　 C．had seen　　D．would see