Select the most appropriate option to substitute the underlined segment in the given sentence.
Learning a new language can be all challenging and rewarding.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. both challenging and rewarding.
Error concept: The error is in the phrase “all challenging and rewarding.” The word all is wrongly used here.
What is wrong: “All” cannot join two qualities like “challenging” and “rewarding.” The correct correlative word is both.
Grammatical concept: In English, when two positive qualities are mentioned together, we use the pair both … and ….
Incorrectness of the concept in context
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All challenging and rewarding → wrong collocation.
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Both challenging and rewarding → correct and natural.
How to correct: Replace all with both.
Correct phrase/ correction: both challenging and rewarding
Final sentence: “Learning a new language can be both challenging and rewarding.”
Hence, the chosen option is correct.