15. ---Do you know the girl in red?

---She seems to ______ me at last month’s party. But I’m not sure.

-Do you know the girl in red?

-She seems to ________ me at last month’s party．But I’m not sure．

1. A.
   introduce to
2. B.
   be introducing to
3. C.
   be introduced to
4. D.
   have been introduced to

15. ---Do you know the girl in red?

   ---She seems to ______ me at last month’s party. But I’m not sure.

   A. introduce to    B. be introducing     C. be introduced to    D. have been introduced to

- Do you know the girl in red?

- She seems to ______ me at last month’s party. But I’m not sure.

     A. introduce to                  B. be introducing to

     C. be introduced to            D. have been introduced to

---Do you know the girl in red?

---She seems to ________ me at last month’s party. But I’m not sure.

A．introduce to                                      B．be introducing to

C．be introduced to                                   D．have been introduced to

15. ---Do you know the girl in red?
---She seems to ______ me at last month’s party. But I’m not sure.

—Do you know the girl in red?

—She seems to_______me at last month's party. But I’m not sure.

A. introduce to　　　　   B. be introducing to

C. be introduced to　　　　 D. have been introduced to

—She seems to_______me at last month's party. But I’m not sure.

A. introduce to　　　　   B. be introducing to

C. be introduced to　　　　 D. have been introduced to