Although ____ thirty years ago,the house looks very beautiful.(build)答案上给的是 built我不明白为什么不能填 to be built或being built以及 to be built being built

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Although ____ thirty years ago,the house looks very beautiful.(build)答案上给的是 built我不明白为什么不能填 to be built或being built以及 to be built being built
Although ____ thirty years ago,the house looks very beautiful.(build)
答案上给的是 built
我不明白为什么不能填 to be built或being built
以及 to be built being built

Although ____ thirty years ago,the house looks very beautiful.(build)答案上给的是 built我不明白为什么不能填 to be built或being built以及 to be built being built
to be built是将来时态,to be done表将来
being built 正在建

Although _the house_was built__ thirty years ago,这局话是有省略,为了让句子简洁

这是一个省略句，省掉了主语和部分谓语动词（ the house was）！

这是关于非谓语动词的用法。to be built用在将来时，表示“将要被建”；
being built则表示“正在被建”。
而且这个句子中“thirty years ago”是过去的某个时间，built是表示“过去被建”，符合语法的要求，所以用built。

Although ____ thirty years ago,the house looks very beautiful.(build)答案上给的是 built我不明白为什么不能填 to be built或being built以及 to be built being built thirty Tom married Kate thirty years ago.(改为同义句)Tom___ ____ ____ ____ Kate for thirty years . 3 we have breakfast at six thirty.it's six thirty .it's ___ ____ ____breakfast . although please turn to the ____ (thirty) page,children. he found more than thirty w ____ of laughing every morning i run ____ about thirty minutes.填介词 I arrived ____ the office at seven thirty this morning. He reads English for thirty minutes every morning.转换 He ____ ____ ____ ____ ____ English every Although he is poor he is honest _____ ____ ____ ____ ,he is honest It's ten thirty now.同义句It's ____ ____ ten now. Now it's five thirty.(同义句) Now it's ___ ____ ____. 【音乐室里有30张椅子】翻译填空____ ___ thirty ____ in the music room Twenty plus sixteen is thirty-six.划线提问￣￣￣￣￣ ____ ____ is twenty plus sixteen?划线在thirty-six上 ____ _____ are the shoes?Twenty---three yuan and thirty fen, It's eight thirty-five同义句It's ___ ___ ____ t's eight thirty-five同义句It's ___ ___ ____