一道英语的单项选择题.求教When I arrived ai his office, he ( )on the phone .A was speaking B spoke C had been speaking D had spoken 我选A的,不过我时态好像弄不清楚,所以求助一下,请说明理由

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一道英语的单项选择题.求教When I arrived ai his office, he ( )on the phone .A was speaking B spoke C had been speaking D had spoken 我选A的,不过我时态好像弄不清楚,所以求助一下,请说明理由
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一道英语的单项选择题.求教When I arrived ai his office, he ( )on the phone .A was speaking B spoke C had been speaking D had spoken 我选A的,不过我时态好像弄不清楚,所以求助一下,请说明理由
一道英语的单项选择题.求教
When I arrived ai his office, he ( )on the phone .
A was speaking B spoke C had been speaking D had spoken
我选A的,不过我时态好像弄不清楚,所以求助一下,请说明理由

一道英语的单项选择题.求教When I arrived ai his office, he ( )on the phone .A was speaking B spoke C had been speaking D had spoken 我选A的,不过我时态好像弄不清楚,所以求助一下,请说明理由
A吧,当我到他办公室的时候,他正在打电话

A没错
arrive是瞬间动词，speak是延续性动词，意思是当我到他办公室时，他正在打电话。所以是过去进行时。

ai是at，你打错了

一道英语的单项选择题.求教When I arrived ai his office, he ( )on the phone .A was speaking B spoke C had been speaking D had spoken 我选A的,不过我时态好像弄不清楚,所以求助一下,请说明理由 英语单项选择题.初一的 一道有关情态动词的英语选择题---When can Ifetch my clothes?I need them this evening.---They ____ be ready by 4 o'clock.A.can B.should答案选的是B.求教：为什么不能选A? 求教一道求极限的选择题 求这几道英语单项选择题的解析 求这几道英语单项选择题的解析 怎样做好英语的单项选择题 求这几道英语单项选择题的答案… 求这四道英语单项选择题的解析 一道英语单项选择题,不懂可以说下原因吗 一道地理选择题求教! 求教一道大学物理选择题 初二英语单项选择题 单项选择题123英语 单项选择题123英语 单项选择题1英语 英语全部单项选择题 英语单项选择题答案