List 13
        
            | Word | Practice Sentence | Type | 
        
            | attendant | The attendant hasn’t missed a day of work yet. | Basic | 
        
            | untidy | The woman was untidy. | Basic | 
        
            | soloist | The soloist played a beautiful song. | Basic | 
        
            | handcuffs | The criminal had to wear handcuffs. | Basic | 
        
            | security | The mall security tries to keep everyone safe. | Basic | 
        
            | eyebrows | My eyebrows are very bushy. | Basic | 
        
            | vocabulary | It’s always good to expand your vocabulary. | Basic | 
        
            | explain | Can you explain solar energy to me? | Basic | 
        
            | solitary | The criminal was put into solitary confinement. | Basic | 
        
            | qualifying | There is still a qualifying round left before the championship. | Basic | 
        
            | nonprofit | My favorite nonprofit organization really helps people in need. | Basic | 
        
            | superintendent | Our superintendent will eat lunch with us. | Basic | 
        
            | authority | Students don’t have the authority to roam the halls. | Basic | 
        
            | untrustworthy | The website seemed untrustworthy. | Basic | 
        
            | experiment | Tomorrow we will conduct an experiment in science class. | Basic | 
        
            | prefer | My friend would prefer vanilla ice cream. | Basic | 
        
            | eroding | The land was eroding too quickly. | Challenge | 
        
            | aqueduct | An aqueduct was built to bring water. | Challenge | 
        
            | accompanist | The accompanist complemented the singer’s voice. | Challenge | 
        
            | zucchini | I like zucchini in my lasagna. | Challenge | 
        
            | racquetball | Playing racquetball requires a lot of energy. | Challenge | 
        
            | claustrophobic | I feel claustrophobic in elevators. | Challenge |