Select the most appropriate option to fill in the blank.
Your tongue gives you information about the taste of food, but your sense of smell also plays an important role when you breathe air out _____
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. while.
Context: The sentence talks about how both the tongue and the sense of smell help in identifying the taste of food. The missing word should indicate when or during the time you breathe out — hence, “while” is correct.
Meaning of the words:
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With: shows association; doesn’t fit here.
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In: shows location or direction; incorrect in this context.
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While: shows something happening at the same time as another action — perfectly fits the meaning.
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From: shows origin or source; not appropriate here.
Correct word: While
Reason: The sense of smell helps you recognize flavours while breathing out, as the smell and taste work together simultaneously.
Final Sentence: Your tongue gives you information about the taste of food, but your sense of smell also plays an important role when you breathe air out while.
Hence, the chosen option will be correct.