plainer

"Instruction will be provided on how to handle difficult customers."

"My daughter's teacher is very kind and helpful. "

"The child's disappointment was evident when he didn't get the toy he wanted for his birthday. "

"The teacher's lecture notes underwent a downcast from general study strategies to specific strategies for math tests. "

"The backpack was heavy, and it hurt her shoulders. "

"The teacher explained the lesson thoroughly throughout the entire class period. "

"To explain a chapter of the Bible."

"I checked the list again and everything is done."

"I apologize, but "unattractive" is an adjective, not a noun. Here's a sentence using it correctly as an adjective, keeping your other guidelines in mind: "He felt unattractive after getting a bad haircut." "

"The weather was unusually warm for November. "

"Hey, beautiful!"

"The pipe is blocked."