选择题39）An ambulance and some police cars were waiting in front of the house,with doctors runningAn ambulance and some police cars were waiting in front of the house,with doctors running in and out and some polimen standing nearby.Somebody ____

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选择题39）An ambulance and some police cars were waiting in front of the house,with doctors runningAn ambulance and some police cars were waiting in front of the house,with doctors running in and out and some polimen standing nearby.Somebody ____

选择题39）An ambulance and some police cars were waiting in front of the house,with doctors runningAn ambulance and some police cars were waiting in front of the house,with doctors running in and out and some polimen standing nearby.Somebody ____
选择题39）An ambulance and some police cars were waiting in front of the house,with doctors running
An ambulance and some police cars were waiting in front of the house,with doctors running in and out and some polimen standing nearby.Somebody ________ injured or killed.
A.must have been
B.should have been
C.must been
D.would have been
C是must be

选择题39）An ambulance and some police cars were waiting in front of the house,with doctors runningAn ambulance and some police cars were waiting in front of the house,with doctors running in and out and some polimen standing nearby.Somebody ____
答案是A.情态动词+have +done,表示的是对过去的动作进行推测或虚拟.must have been
表示对过去的动作的肯定的推测,“（过去）肯定做过某事”.

A

a ambulance 选择题39）An ambulance and some police cars were waiting in front of the house,with doctors runningAn ambulance and some police cars were waiting in front of the house,with doctors running in and out and some polimen standing nearby.Somebody ____ 一个选择题!急!英语的!He stayed with me _______ the ambulance arrived.A、while B、since C、until D、as soon as（And WHY!） _____ an ambulance man ______(wear) a uniform?什么时态的_____ an ambulance man ______(wear) a uniform?什么时态的还有A secretary ____(go) to the meetings and _____(answer) the phone.什么时态的,为什么 Shortly after________traffic accident,an ambulance came and rushed_______injured to the nearest hospital.（请在划线处填入适当冠词） there is an ambulance over there怎么翻译 an,Li,s,Mr,brother,ambulance,man连词成句 soon an ambulance appeared 用英语解释句子 _____ an ambulance man ______(wear) a uniform?什么时态的还有A secretary ____(go) to the meetings and _____(answer) the phone.什么时态的,为什么 mike is a ambulance man.哪个错了? ambulance是什么意思? ambulance 是什么 ambulance是什么意思 ambulance是什么意思 to drive.是充当状语吗?with devices.the group has a new ambulance with devices for lifting a camel to drive it to an animal hospital.to drive.是充当状语吗?with devices. 教一条英语选择题（ ）4、w t A、ei B、an C、au D、ai We should call an ambulance right now.如何翻译为汉语? An ambulance (救护车) is waiting in the street.Somebody _____ hurt or killed.A：should have been B：must have been C：should be D：should not have been