Having waited in the queue for half an hour,the old man suddently realized he had left his wallet改成同义句After he ______________,the old man suddently realized he had left his wallet

问题描述:

Having waited in the queue for half an hour,the old man suddently realized he had left his wallet
改成同义句
After he ______________,the old man suddently realized he had left his wallet

the queue for half an hour,

应该是had waited in the queue for half an hour 加油!

had waited in the queue for half an hour
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