Fill in the blanks with the correct modal
Tom is not here. Then he _____ be working in the garden.
Answer & explanation
Correct answer: option 4
The correct answer is OPTION 4 - "must"
The sentence "Tom is not here. Then he _____ be working in the garden." suggests a strong logical conclusion based on evidence.
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"Might" → Expresses possibility but with uncertainty. (Not the best fit here.)
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"Will" → Expresses future certainty, but this sentence is about a present assumption.
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"Should" → Expresses obligation or expectation, not logical deduction.
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"Must" → Expresses a strong logical deduction based on the given situation.
Thus, the correct sentence is:
"Tom is not here. Then he must be working in the garden."