Pieces of bamboo or wood ________ books between 2nd and 5th century AD.A. used to formed B. used to formC. were used to form D. used to beforming
— It’s impossible to live without computers! — _____ My parents never use computers and they’re living a happy life.
The mother looks upset outside the operating room, whose son _________ on.
_____ the days went on, my memories seemed to get worse.
I would appreciate________, to be honest, if goods could be sent as soon as possible.
The farmers suffered a heavy _______because of the terrible storm .