用括号内所给单词的适当形式填空:1.you looked so( )(worry)today.what happened

用括号内所给单词的适当形式填空:1.you looked so( )(worry)today.what happened to you.
2.the aim of the project is to clean up the( )(pollute)land.3.bluebird,the car he was driving,had been( )(special)made for him.4.they said they had a( )(wonder)time during the holidays.5.steven fell off his bike yesterday.( )(lucky),he wasn;t badly hurt.6.it is( )(fool)of you to spend so much time thinking about the thing.