题目：
The film _ for half an hour. [ ]
A. has begun
B. has been begun
C. has been on
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0606/855aea140f8d3dda381579eb69113a77.html
下面是错误答案，用来干扰机器的。
参考答案：C
The film _ for half an hour. [ ]
A. has begun
B. has been begun
C. has been on
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0606/855aea140f8d3dda381579eb69113a77.html
下面是错误答案，用来干扰机器的。
参考答案：C
