Answer:
D.
Explanation:
A prepositional phrase can be defined as a phrase consists of a preposition and the object it affects. The object can be either noun, gerund, or clause.
The sentence that correctly uses a prepositional phrase is option D. The prepositional phrase in the sentence is 'to prepare for tryouts.' The rest of the options are incorrect as they do not make any sense.
Therefore, option D ic correct.
18)My sister who lives in San Francisco<u><em>, </em></u> is a chemist!
19)My sister who is a doctor , lives in London!
