6. He is strong. He can carry the box. -> He is ______________________________________________________________________. 7. The weather isn't warm. We couldn't go swimming. -> The weather isn't _____________________________________________________________. 8. His father is very poor. He can't buy a big house. -> His father doesn't have ________________________________________________________. 9. The weather is very cold. They can't have a picnic. ->The weather isn't_____________________________________________________________. 10. This exercise is too difficult. He can't do it. -> This exercise isn't_____________________________________________________________.

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