来自程国安的问题
句型转换sheleftherhometownfouryearsagoshe()()()()herhometownsincefouryearsago
句型转换sheleftherhometownfouryearsago
she()()()()herhometownsincefouryearsago


句型转换sheleftherhometownfouryearsagoshe()()()()herhometownsincefouryearsago
句型转换sheleftherhometownfouryearsago
she()()()()herhometownsincefouryearsago
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