how long __the movie ___? for about seventy minutes (did begin\\\has been on\\\has begun\\\has been

how long __the movie ___? for about seventy minutes (did begin\\\has been on\\\has begun\\\has been
how long __the movie ___? for about seventy minutes (did begin\\\has been on\\\has begun\\\has been

how long __the movie ___? for about seventy minutes (did begin\\\has been on\\\has begun\\\has been
has been on 表示状态,电影放映7分钟时状态,
be on 放映,其他的都不对

has been on

has been on
这个电影放映多长时间了
~~~~~~~~~~～～~~~~祝你进步，如对你有帮助，请及时采纳~~~~~~~~~~~~~~~~