When I turned to the person         next to me, I recognized that he was my schoolmate.

A. seating         B. being sat            C. sit                  D. seated

When I turned to the person ________ next to me, I recognized that he was my schoolmate.

A. seating                        B. being sat                   C. sit                                  D. seated

When I turned to the person ________ next to me, I recognized that he was my schoolmate.

A. seating　　　　 B. being sat　 C. sit　　　　　 D. seated

When I turned to the person ________ next to me, I recognized that he was my schoolmate.

1. A.
   seating
2. B.
   being sat
3. C.
   sit
4. D.
   seated