Choose the word or phrase that best completes the sentence. Jasmine is working as a dental assistant. What she does is________ people’s teeth.

The correct answer is B. cleans.

Jasmine is a dental assistant, which means that her job is to help dentists with their work. One of the things that dental assistants do is clean people’s teeth. They use a variety of tools and techniques to remove plaque and tartar from teeth, and they also polish teeth to make them look shiny and healthy.

The other options are incorrect because they are not verbs. A verb is a word that describes an action or an event. In this case, the action that Jasmine is performing is cleaning people’s teeth. Therefore, the correct answer is B. cleans.