问题补充:
The film for twenty minutes when they got to the cinema.
A. had already been on
B. has already been on
C. had already begun
D. has already begun
答案:
(答案→)A. had already been on
B. has already been on
C. had already begun
D. has already begun
解析:考查时态。句意:当我们到达电影院时,电影已经上演了20分钟。结合语境可知主句描述的是过去已经完成的动作,故用过去完成时态。瞬间动词begin不能和表示一段时间的时间状语连用,故选A。