THERE WEREN’T ANY CHAIRS…………ON, SO WE ALL HAD TO SIT ON THE FLOOR. A....

câu 12: - DE THI HK2 ANH KHOI 10 DE THI HOC KY 2 KHOI 10
DE THI HK2 ANH KHOI 10 DE THI HOC KY 2 KHOI 10

Câu 12: There weren’t any chairs…………on, so we all had to sit on the floor.

A. sitting B. sat C. sits D. to sit