shinier

"He polished up the chrome until it gleamed."

"The child's face was unclouded with worry after she found her lost toy. "

"The old car was emitting a lot of smoke from its exhaust pipe. "

"The fireflies created a luminous glow in the backyard. "

"The student's improvement in math was remarkable, earning her a perfect score on the final exam. "

"Careful storage of silver will prevent it from tarnishing."

"The freshly picked flowers will wilt in a few days but for now are still fragrant."

"The student's excellent performance on the math test showed they had surpassed their previous scores. "

"They played long and hard."

"He polished up the chrome until it gleamed."

"He was amazed when he found that the girl was a robot."

"A mirror reflects the light that shines on it."