选择适当的单词,用他的正确形式填空
memorize something ordinary dusty medicine difference
1、（ ）,l do not talk to strange people
2、 after the accident,he completely lost his ( )
3、do you find it difficult to keep up with ( )developments
4、 we make this dress in ( )colours
5,l don't know( )about home-help robots
6、her mother was always busy with the cleaning and( )