If you feel tired and sick of fat foods, that is _______ you have to go to the hospital for a medical examination.
Joe Jones, the eldest of the eight children, had to ________ out of high school at the age of 16 to help his father on the farm.
He missed _______ when he was in Africa.
In our town, wood can ___________ a fire.
In the past five years China ________ great _________.
They talked for about an hour of things and persons _____ they remembered in the school.