这个作家的很多作品已经被制成电影.Many of the writer's works____ ____ ____ ____
问题描述：
这个作家的很多作品已经被制成电影.Many of the writer's works____ ____ ____ ____
答
have already been made into movies.
这个作家的很多作品已经被制成电影.Many of the writer's works____ ____ ____ ____
have already been made into movies.