7. expensive 8. good 9. worse 10. the most interesting

This appears to be an English grammar exercise asking to fill in the blanks with comparative or superlative forms of adjectives. Without the full context or options, I can only identify the listed words. * expensive (comparative: more expensive, superlative: most expensive) * good (comparative: better, superlative: best) * worse (comparative of bad) * the most interesting (superlative form of interesting)