He () a model plane when I came to see him.A.makesB.is makingC.was makingD.made为什么

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He () a model plane when I came to see him.A.makesB.is makingC.was makingD.made为什么

He () a model plane when I came to see him.A.makesB.is makingC.was makingD.made为什么
He () a model plane when I came to see him.
A.makes
B.is making
C.was making
D.made
为什么

He () a model plane when I came to see him.A.makesB.is makingC.was makingD.made为什么
C

正确答案:C
因为句子后面用came,这句是过去进行时态

A 第三人称后面动词+S

当我去看他时,他正在干嘛呢?
答案c,be doing表示正在做某事,不选b是因为i came用的是过去式,他做飞机模型也是已经过去的事了,所以用was。明白了吗?

当我来看他时,他正在做飞机模型。(过去某一时刻正在发生/进行,用过去进行时)