That little boy never lets other children share his toys,what a selfish boy he is!
He was so arrogant that he would talk to nobody.
Alex is optimism,he always expects the best results of everything he does.
Many parents have a very limited tolerance to aggressive children.
The excavation of the buried city took a long time.
The travel agent arranged our accommodation in Korea.
It was very rude of her to leave without telling us.
Oliver always gives more attentions to the bad side of a situation,he is pessimism.
It's time to take your departure to Sydney at gate 6.