My best friend’s o___________. She always thinks that everything will be fine.
My best friend’s optimistic. She always thinks that everything will be fine.
My sister often shouts at me for no reason. She’s quite b_____________.
My sister often shouts at me for no reason. She’s quite bad-tempered.
Some of my friends are often late or they don’t appear at all. They’re u_________.
Some of my friends are often late or they don’t appear at all. They’re unreliable.