As a new graduate, he doesn’t know it takes to start a business here.
Mr Chen was ___ early thirthies when he went abroad to have his further studies.
Children often get presents ___ Christmas and ___ their birthdays.
You can find the new hospital ___ the end of the street.
___ the end of this new term we'll have graducated from middle school.
The mid-term exam is to be held ___ the end of this month.