It shows the doer of the action.It comes before verb and indicates this action or work is done by it/him/her etc.Ex.Susan switched off the lights. Who switched off the lights? The answer is Susan (subject of the sentence)
Answer:
complement
Explanation:
The above answer is the correct answer.
Crew members must <u>complement</u> each other. This is true because from the excerpt, we were told that "An alternative to the shower is a wobbly platform that two or three crew members have to stand on and jointly balance with hand controllers". This depicts that these crew members must complement each other if they must use the platform. Without such synergy in balancing the platform, they will not be able to use it.
