I’m nineteen years old ,and next Sunday is my ______________birthday.（第二十）
He didn’t come back from work____________midnight.（直到）
If you want to be a _____________visitor, it is important to ask for help_____________.（礼貌）
You can _____________the bottle with water.（填满）
If you have ____________, you will not show fear in face of anything difficult.（勇气）
“___________________” is what nature says to every man.（依靠你自己）
