IT IS THE DOOR THAT NEEDS ______. A. REPLACING B. TO REPLACE C....

33. - 1 TIET 11 LAN 4 TU LUAN VA TRAC NGHIEM
1 TIET 11 LAN 4 TU LUAN VA TRAC NGHIEM

33. It is the door that needs ______.

A. replacing B. to replace C. replaced D. replacement .