根据句意,用括号内所给的单词的适当形式填空
1、Mary didn't say anyting at the _____(begin) of the meeting.
2、I think this movie is the _____(bad) of the three.
3、If you're all sitting _____(comfortable),then I'll begin.
4、I will help my parents with some ____(housework) during the winter holidays.
5、Now hunderds of _____(factory) make the air polluted.
6、Children,can you cook for _____(you）?
7、Bob,don't shout _____(loud),please.
8、Which question is _____(simple),the first one or the second one?