1.In a sports team each player has a clear role, and there are few occasions when members are confused or uncertain about their roles.
2.Look what a mess you've made of your life.
3.He asked about my health whenever he met me.
4.There's no reason to be disappointed. As a matter of fact, this could be rather amusing (amuse).
5.He must have completed (complete) his work; otherwise, he wouldn't be enjoying himself by the seaside.
6.Be particularly (particular) careful when driving at night.
7.How did she react to the results?
8.They whispered to each other for a long time.