They ____have arrived at lunch time but their flight was delayed.C和D选项有什么区别,为什么C不对A will B.must C.can D.should
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They____havearrivedatlunchtimebuttheirflightwasdelayed.C和D选项有什么区别,为什么C不对AwillB.mustC.canD.shouldThey
They ____have arrived at lunch time but their flight was delayed.C和D选项有什么区别,为什么C不对A will B.must C.can D.should
They ____have arrived at lunch time but their flight was delayed.C和D选项有什么区别,为什么C不对
A will B.must C.can D.should
They ____have arrived at lunch time but their flight was delayed.C和D选项有什么区别,为什么C不对A will B.must C.can D.should
should have done/ought to have done
（本应该做的事情没做.说话人语气中含有责备的意思.这是虚拟语气的一种表达）
should'nt have done/ought'nt to have done
(不该做的事情做了)
can+have+过去分词,表示对过去或已经发生的事情的推测,通常用在否定和疑问句中：
He can't have arrived in such a short time.他不可能这么快就到了.
D
should have arrived at lunch time 本应该在午饭时间到达，结果推迟了
should have done本应该怎样而实际没有
没有can have done的用法，用也是could have done这是本可以怎样，结果没有
They ______(not have)English class.They ____have the art class at the moment.
改错 They arrive school early.
They arrive school early.改错
They did not need to arrive so early.中的arrive
They have been here since 2000.划since 2000.（对划线提问）____ ____have they been here?
改错:When did they arrive Beijing?如题 改错:When did they arrive Beijing?改错:When did they arrive Beijing?
They are __(arrive ) next Sunday.原因
i _____after they left the school(arrive)
When did they arrive ( ) the airport
they will arrive on sunday的缩写
they arrive at school early错那
they must arrive?time.填啥）
An hour later,they arrive there.翻译
when will they ( -( )the seventh of julya.arrive,On b.arrive at,Onc.arrive in,Ind.arrive,In
They will arrive in half an hour.改为同义句 They will arrive in ()().
Where will they arrive?还是where will they arrive at?为什么?
英语翻译A:Those packages took forever to arrive.B:But they did arrive,didn't they?
We haven't been told if they ( )on time.If they ( ),I will tell you immediately.A.will arrive,will arrive B.arrive,arriveC.will arrive,arrive D.arrive,will arrive