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高一完形填空专项训练（二）
The American film industry first began in the early 1890s in New York.The industry developed as quickly as technology.The first films were short,(61)_____ and white and silent.As directors learnt more about filming,they made longer and longer films.Then they found a way (62)_____ add sound to their films. Later came the colour and sound films we see today.
The American film industry first began in the early 1890s in New York.The industry developed as quickly as technology.The first films were short,(61)_____ and white and silent.As directors learnt more about filming,they made longer and longer films.Then they found a way (62)_____ add sound to their films. Later came the colour and sound films we see today.
