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"I will purchase the vacation package if you will include car rental."

"The student used a microscope to see the tiny cells in the plant leaf. "

"The documents pertaining to my car insurance claim are now all submitted. "

"The school community celebrated the end-of-year festival together. "

"A scientist observed a protozoan under a microscope, noting its single-celled structure and the way it used a whip-like tail to swim. "

"The pond water contained many tiny paramecia, visible only under a microscope. "

"Her long, dark eyelashes framed her eyes beautifully. "

"The guard blew his whistle to indicate imminent departure."

"The large oak tree surrounding the picnic area provided welcome shade. "

"The birds had built an amazing structure out of sticks and various discarded items."

"Scientists study different organisms, such as bacteria and plants, to learn about life on Earth. "

"The infection spread quickly through the classroom after one student got sick. "