题目内容
- The zookeeper was really annoyed with me.
- How could he have been if you ______ stones at the animals?( )
A.didn’t throwB.don’t throw
C.hadn’t thrownD.haven’t thrown
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题目内容
- The zookeeper was really annoyed with me.
- How could he have been if you ______ stones at the animals?( )
A.didn’t throwB.don’t throw
C.hadn’t thrownD.haven’t thrown