Question

Combine the sentences by changing the italicized word group to an infinitive or infinitive phrase. Then write the complete sentence in the paragraph box.
Bob used raspberry flavor in the cod liver oil. It masks the taste of the medicine.

Answer 1

The infinitive phrase will include words that contain infinitive modifier, pronoun, or noun phrase that could either act as a direct object, noun, action,, or complement.
For the sentence above, The answer is 
Bob used raspberry flavor in the cod oil to mask the taste of the medicine. 

Answer 2

Bob used raspberry flavor in the cod oil to mask the taste of the medicine.