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mehaksal
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Choose the sentence with properly used idiom (emphasized with boldface). Please note that a wrong answer choice may be grammatically correct.
1. What these scores tell us is that rigor is lacking in some schools.
2. What these scores tell us is that some schools lack of rigor.
3. What these scores tell us is that there's a lack of rigor in some schools.
1. What these scores tell us is that rigor is lacking in some schools.
2. What these scores tell us is that some schools lack of rigor.
3. What these scores tell us is that there's a lack of rigor in some schools.
