问题补充：
You are too late. The film since half an hour ago.
A. has begun
B. has been on
C. began
D. is beginning
答案：
A. has begun
(答案→)B. has been on
C. began
D. is beginning
解析：此题重点考察延续性动词的用法。Begin是短暂性动词不能和段时间状语连用，表示开始多长时间了要用动词短语be on。
如果觉得《You are too late. The film since half an hour ago.A. has begunB. has been onC. beganD. is》对你有帮助，请点赞、收藏，并留下你的观点哦！
