be agreed be agreed后为什么还要加upon呢?

be agreed be agreed be agreed后为什么还要加upon呢? He’s agreed to our suggestion about the holiday.为什么是be agreed to? We have agreed that a play will be a_____We have agreed that a play will be ( )[a开头的 27.She wants to know whether the measures to be taken have been ___________ .A.agreed for B.agreed with C.agreed upon D.agreed over 选哪个 原因是什么 其他几项怎么用 laycan is agreed to be 10th-15th January 2007怎么理解? All agreed to his suggestion ------a bridge across the river-------.为什么填that,be built If I agreed with you we'd both be wrong.谁帮我翻译一下, He___the person referred to be put in prison.A.said B.demanded C.agreed D.thought the great and general court ordered that the college agreed upon formerly to be built for orentation only ; to be agreed upon at time of order 怎么翻译,报价单中得 请帮忙翻译：Partial deliveries are to be agreed upon by the buyer All the countries have agreed that whatever wears the Red Cross must never be attacked. She agreed at once that they could both be guests.怎么翻译 英语翻译an extension may be granted with agreed uopn business case与合同有关的 agreed是什么意思 The shipment will be not made without the arrival of the agreed payment by the buyer.The shipment will be not made without the arrival of the agreed payment by the buyer这句话如何翻译? should be delivered as Gold and ready for manufacture unless agreed otherwise with Items should be delivered as Gold and ready for manufacture unless agreed otherwise with the Account Manager