How is "zai" (在) used in chinese in general?

Using the spelling rules you learned, determine which of the following words is spelled correctly. (5 points) receipt whineing pumpping freind

Every day, eloise talks with patients who suffer from drug abuse and them with their treatment plans. she sometimes works with franklin who plans social events and outdoor activities on the drug facility grounds. because some of the patients are there for months or years, eloise and franklin also work with jessup, who takes care of patients’ hair care and other grooming needs. which best describes the workers’ career pathways based on their tasks? eloise works in family and community services, franklin works in counseling and mental health services, and jessup works in personal care services. eloise works in counseling and mental health services, franklin works in personal care services, and jessup works in family and community services. eloise works in personal care services, franklin works in family and community services, and jessup works in counseling and mental health services. eloise works in counseling and mental health services, franklin works in family and community services, and jessup works in personal care services.

Read this sentence. although the idea was foreign to me, i still thought i would give it a try.