空客a400m运输机:English Question

来源：百度文库 编辑：查人人中国名人网 时间：2024/05/06 17:06:55
Over the past few years,however,three big
developments _____in UK.(take place)
用正确形式填空(能说明为什么更好)

用过去完成时,因为over在这是在....期间的意思,所以应该填had been taken place!!

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