As we all know， a driver is always a danger to the public．（care）
I will never the days I spent with my host family in Britain． （forgetful）
The of AI（人工智能） will enable us to learn more about our brains．（ develop）
Fortunately， no one was hurt in the earthquake several weeks ago．（serious）
Shirley is an early bird． It was for her to be late for school today．（usual）