The price of a cup of coffee is higher than _______ of a glass of Cola.
My time in the middle school was one of periods of my life.
--- Thank you for helping me with my physics.--- ______. I hope you can do better in it.
My parents didn’t allow me ______ to the party.
--- Why did the car hit the boy?--- Because the driver ______ on the phone at that time.
--- Do you know ______?--- For a month.