Direction: Select the most appropriate word to fill in the blank.
The bottom surface of the sea ice is a thick slurry of floating ice crystals, and my descent _______ them in motion.
1
has setting
2
had set
3
has set
4
have set
Direction: Select the most appropriate word to fill in the blank.
The bottom surface of the sea ice is a thick slurry of floating ice crystals, and my descent _______ them in motion.