来自牛焕忠的问题
【Ihavestudiedintheprimaryschool,themiddleschoolandseniorschoolfortwelveyears这句话对】
Ihavestudiedintheprimaryschool,themiddleschoolandseniorschoolfortwelveyears这句话对


【Ihavestudiedintheprimaryschool,themiddleschoolandseniorschoolfortwelveyears这句话对】
Ihavestudiedintheprimaryschool,themiddleschoolandseniorschoolfortwelveyears这句话对
我已经研究了在小学,中学和高中十二年