填入下面一段文字横线处的语句，最恰当的一句是古代中国城市，无论是都城还是州县所在地，与乡村的经济联系，主要是单向性的，________，广大乡村则在男耕女织的自然经济规范内生存。国与野、都与鄙、城与乡之间，政治上是前者对后者的压迫与控制，经济上则是后者对前者财富和劳力的供应。这使中国古代城市不仅是政治性的，而且是消费性的，城市手工业基本是为官府服务的官手工业。

I’m going to Europe on vacation together with John if I ________ find the money.(2012·全国Ⅱ)

How is your new job –Not so good at the moment. I it very much .

Did you watch the football final between China and Japan?—Yes, but I would rather____

In order to help the police, the eyewitness described what he had seen very carefully not to______ any key clues.