Final answer:
Here are four sentences using different combinations of the phrases from Word List 15.
Step-by-step explanation:
To form a sentence using the phrases (a) and (b), you could say, 'The sparse crowd was small and scattered.'
To form a sentence using the phrases (b) and (c), you could say, 'The boisterous crowd was small and scattered.'
To form a sentence using the phrases (c) and (d), you could say, 'The immense crowd was very boisterous.'
To form a sentence using the phrases (a) and (d), you could say, 'The small and scattered crowd was immense.'