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问题描述:
howlong,howoften,howsoon里面哪个回答时用频率副词
howlong,多久多长Howlongdoesittakeyoutogotoschooleveryday?Howlongisthisrod?howoften,每隔多久Howoftendoyouplaybasketball?howsoon多近,未来多长时间Howsoonwillyoubeabletofini...