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