第1个回答 2014-07-12
主语
He was reading a book, which was about war.
He set free the birds happily, which was a celebration for his success.
You can find whatever you need at the shopping centre, which is always busy at the weekend.
The owner of the cinema needed to make a lot of improvements and employ more people to keep it running, which meant spending tens of thousands of pounds.
宾语
He was reading a book, which he had bought from London.
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