Question

--- What did you think of yesterday’s film ?
--- Well , I ________ when the film was only half way through

1. A.
   was leaving
2. B.
   left
3. C.
   have left
4. D.
   was left

Answer 1

B
本题问句问的是过去事件，所以回答语用的是一般过去时，回答语的含义为电影看了一半就离开了，离开的过去式为left，故本题选B。