Thanks for sharing.
Although in the first exercise, the answer is 3J, one of the parts of the sentence is wrong because it doesn't make sense. "He must be cold. He IS wearing a jumper" OR "He CAN'T be cold. He isn't wearing a jumper".
Thanks for sharing this. When you have time, maybe you could correct two mistakes in the second exercise:
2. might NOT
Por favor, permite el acceso al micrófono
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