drones

"The coffee concentrate was strong, so a little went a long way. "

"It is very important to give your daughter independence in her life so she learns from experience."

"I became conditioned to the absence of seasons in San Diego."

"The band used synthesizers to create the futuristic sound effects in their new song. "

"The violinist was a master of her instrument."

"With a simple remote, he could control the toy truck."

"The students were murmuring about the surprise quiz. "

"The school required all students to submit their application documents to prove their enrollment. "

"The gardener fertilized the flowerbeds to help the roses grow bigger and stronger. "

"The office assistant is busy photocopying documents for the meeting. "

"My parents are ensuring my younger sister gets to school on time every day. "

"the performance of an undertaking or a duty"