Most animals have little connection with _______ animals _____ different kind unless they kill them for food.
| A．the; a | B．不填; a | C．the; the | D．不填; the |
I had hardly got to the office __________ my wife phoned me to go back home at once.
| A．when |
| B．than |
| C．until |
| D．after |
John was given the same suitcase his father and grandfather __________ with them to school.
| A．took |
| B．had taken |
| C．were taking |
| D．would take |
Mary went to the box office at lunch time, but all the tickets __________ out.
| A．would sell |
| B．had sold |
| C．have sold |
| D．was selling |
It took me a long time before I was able to fully appreciate what they __________ for me.
| A．had done |
| B．did |
| C．would do |
| D．were doing |
—Were you surprised by the ending of the film?
—No. I __________ the book, so I already knew the story.
| A．was reading |
| B．had read |
| C．am reading |
| D．have read |