选择题 —Do you know why Tom looks upset? _( ) 答案是Losing his car.这个答案我明白,可是还有一个答案是As he lost his car.为什么不选呀?谢谢啦

选择题 —Do you know why Tom looks upset? _( ) 答案是Losing his car.这个答案我明白,可是还有一个答案是As he lost his car.为什么不选呀?谢谢啦
选择题 —Do you know why Tom looks upset? _( ) 答案是Losing his car.
这个答案我明白,可是还有一个答案是As he lost his car.为什么不选呀?谢谢啦

选择题 —Do you know why Tom looks upset? _( ) 答案是Losing his car.这个答案我明白,可是还有一个答案是As he lost his car.为什么不选呀?谢谢啦
As =Since 作"既然"、"由于"解,引导原因状语从句,常用来表示已为人们所知或显而易见的原因或理由.这样说,你是不是好理解一点呢...题目中既然是问句,答案就不会是显而易见的理由,所以不能用as.

As引导了一个句子 是不能当作一件事来回答这个问题的 是答非所问 而且句子残缺

这道题是用why提问的，不能用as回到，可以说Because he lost his car.

AS　　副词:ad.1. 跟...一样地,同样地 例如:I'm as tall as he 我和他一样高。 　　2. 如同;例如 例如:There are lots of famous buildings as Eiffel Tower and Arch of 　　Triumph. 这里有许多著名建筑如埃菲尔铁塔和凯旋门。 　　介词prep.1. 作为,以...的身份 例如:He works as...

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AS　　副词:ad.1. 跟...一样地,同样地 例如:I'm as tall as he 我和他一样高。 　　2. 如同;例如 例如:There are lots of famous buildings as Eiffel Tower and Arch of 　　Triumph. 这里有许多著名建筑如埃菲尔铁塔和凯旋门。 　　介词prep.1. 作为,以...的身份 例如:He works as a tour guide. 他作为导游工作。 　　2. 当作 例如:She is a famous person as a actress. 作为一个女演员,他很出名 　　3. 像;如同 例如:The old woman was dressed as a young lady. 这位老妇人打扮得像一位 　　年轻人。 　　连接词conj.1. 像...一样;依照;像 例如:You ought to do as Paul tells you. 你应按照保罗吩咐的做。 　　2. 当...时 例如:As she left the room she remembered that book. 她离开房间时想起了 　　那本书。 　　3. 随着 例如:As the sun rose the fog dispersed. 太阳一出来,雾随之消失。 　　4. 因为 例如:We didn't know what to do as we were just visiting there. 我们不知道该怎么办,因为当时我们仅仅在那里作访问。 　　5. 虽然 例如:Tired as he was, he sat up late. 他虽然疲倦,可仍然很晚才睡。 　　代词pron.1. (与such,the same,as等连用,引导关系从句)与...相同的事物(或人) 例如:He has 　　earned as much money as I have. 他赚的钱和我赚的一样多。 　　2. (引导从句,对前述内容作补充)本情况,该事实 例如:She has married again, as was expected. 她已再婚,这是意料中的事。
根据“4. 因为 例如:We didn't know what to do as we were just visiting there. 我们不知道该怎么办,因为当时我们仅仅在那里作访问。”，As he lost his car改为As he has lost his car可以,着重完成

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