Select the most appropriate option to fill in the blank.
Many trees have growth rings that we can count and measure to ________ out how old they are and how fast they are growing.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. find
Context: The sentence is: "Many trees have growth rings that we can count and measure to ________ out how old they are and how fast they are growing."
It means we are trying to discover or determine the age and growth rate of trees.
Meaning of the words:
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find → to discover or learn something
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search → to look for something
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look → to direct your eyes or attention
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bring → to carry something to a place
Correct word: find
Reason: The word find out is a common phrasal verb used to discover information, which perfectly fits the context of determining the age and growth of trees.
Final Sentence:
Many trees have growth rings that we can count and measure to find out how old they are and how fast they are growing.
Hence, the chosen option will be correct.