PHONG WAS TRYING________ THE DOOR WITH THE WRONG KEY.A. TO UNLOCK...
44. Phong was trying________ the door with the wrong key.
A. to unlock
B. unlocking
C. to be unlocked
D. being unlocked
44. Phong was trying________ the door with the wrong key.
A. to unlock
B. unlocking
C. to be unlocked
D. being unlocked