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  • 科目:英语
  • 题型:单选题
  • 难度:中等
  • 人气:487

---The zookeeper was really annoyed with me.
--- How could he have been if you _______ stones at the animals?

A.didn’t throw
B.don’t throw
C.hadn’t thrown
D.haven’t thrown
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Thezookeeperwasreallyannoyedwi