By the time they got to the theatre, the play for ten minutes. [ ] A.beganB.had
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![By the time they got to the theatre, the play for ten minutes. [ ] A.beganB.had](/pic/43_950209.jpg)
By the time they got to the theatre, the play ________for ten minutes.
[]
A.beganB.had begunC.was onD.had been on试题答案
答案:D