understudy

"The teacher required the students to bring their textbooks to class every day. "

"It took him only twenty minutes to perform the task."

"After the storm, the family replaced the broken window with a new one. "

"The talented performer captivated the audience with her captivating dance routine. "

"The theatre company always hires understudies in case the lead actors get sick or injured and can't perform. "

"One way to encourage your employees to work harder is by giving them incentives."

"The supervisor assigned the new tasks to the team. "

"Maria is understudying the lead role in the school play, so she needs to know all the lines and blocking in case the main actress gets sick. "

"Responsibility is a heavy burden."

"Please stand by for more instructions."

"The famous actress received an award for her performance in the new play. "

"The pipe is blocked."