how long __the movie ___? for about seventy minutes (did begin\\\has been on\\\has begun\\\has been
问题描述:
how long __the movie ___? for about seventy minutes (did begin\\\has been on\\\has begun\\\has been
答
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