问题
选择题
— What did you think of Act I of the play last night?
— I’m sorry. The play ________ when I got there.
A．had been started
B．had been on for half an hour
C．was to start
D．had begun for half an hour
答案
答案：B
句意：戏剧在我到达之前就已上演了半小时，即表示“过去的过去”，且短暂性动词不与持续性时间连用，故须将 start→be on 才可与持续性时间连用。