There is one blank in the sentence below. For this blank, click the correct participial form of the word.

Question

There is one blank in the sentence below. For this blank, click the correct participial form of the word.
The prototype of this 
 collector has a conveyor belt attached to two pontoons, or rafts.

GPT-4o mini · Answer

The correct participial form to fill in the blank is "attached." The completed sentence would read: "The prototype of this collector has a conveyor belt **attached** to two pontoons, or rafts."