问题描述：
一道关于divide&separate的问题
---hospital staff burst into cheers after doctors completed a 20-hour operation to have_________one-year-old twins at the head.
用divided还是separated?
需付详解
---hospital staff burst into cheers after doctors completed a 20-hour operation to have_________one-year-old twins at the head.
用divided还是separated?
需付详解
问题解答：
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