【题目】It’s very old.(用then改写句子)
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【答案】It was very old then.
【解析】
then那时,表示一般过去时,用then改写,把is改成was。故答案为It was very old then.

【题目】It’s very old.(用then改写句子)
__________________________________________
【答案】It was very old then.
【解析】
then那时,表示一般过去时,用then改写,把is改成was。故答案为It was very old then.