4.He looked quite healthy though he was_______.A.in seventy B.at seventies C.in his seventies D.at the age of seventieth参考答案是CD为什么不可以?请用最幼稚的语言解释

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4.He looked quite healthy though he was_______.A.in seventy B.at seventies C.in his seventies D.at the age of seventieth参考答案是CD为什么不可以?请用最幼稚的语言解释

4.He looked quite healthy though he was_______.A.in seventy B.at seventies C.in his seventies D.at the age of seventieth参考答案是CD为什么不可以?请用最幼稚的语言解释
4.He looked quite healthy though he was_______.
A.in seventy B.at seventies C.in his seventies D.at the age of seventieth
参考答案是C
D为什么不可以?
请用最幼稚的语言解释

4.He looked quite healthy though he was_______.A.in seventy B.at seventies C.in his seventies D.at the age of seventieth参考答案是CD为什么不可以?请用最幼稚的语言解释
答案是C,没错.
因为D项错在它的答案里用了序数词.
At the age of后面应该用基数词,所以错误.
好的,依你的,用最幼稚的语言解释.
seventieth是"第十七"的意思.所以D项at the age of seventieth就是在第十七岁时,
而C项in his seventies,就是"在十七岁"时.所以要选C啊~
..明白了吗?

应该选C
D项的表达方式at the age of后应该直接+基数词单数seventy

因为是习惯用法。。

though后不跟那种什么词，什么次我一下忘了叫什么

he looked quite healthy though he was ()in his seventy;at the age of seventy He looked so 急用. he looked consumptive翻译 he is quite 4.He looked quite healthy though he was_______.A.in seventy B.at seventies C.in his seventies D.at the age of seventieth参考答案是CD为什么不可以?请用最幼稚的语言解释 He looked quite healthy though he was ____ A at the age of seventy B in his seventies 为什么答案是BA哪里错了呢? He looked worried because his son (miss) he looked at a photo变问句 改错 he looked sad at the letter He looked at me with______（gentle） He looked for it here and there. he looked happy哪里错了 after sheep looked he连词成句 he looked pale after a long i ---- Hearing this,he looked much_(sad) He is not such a fool as he is looked. He looked sad because he failed ______(pass)the exams He looked at me.He was pleasant.（合并句子）