often和usually那个频率高,有人说是often,有人说是usually?到底是哪一个?

often和usually那个频率高,有人说是often,有人说是usually?到底是哪一个? often/usually频率高?这二个词哪个频率高? often 和 usually有什么区别?那个表示频率更高一些?It has sailed across the Atlantic many times .It has sailed across the Atlantic___[A]often[B]usually选A,但B为什么不行? often,usually哪个的频率高些?TKS! often 和 usually有什么区别?那个表示频率更高一些?It has sailed across the Atlantic many times .It has sailed across the Atlantic___[A]often[B]usually选A,但B为什么不行?ps:shall表示将来时,可以用在 A and B 后面么.我知 usually和often有什么区别 often和usually有什么区别、 usually和often有什么不同? usually 与often 哪一个频率更大? 频率副词排序often,usually,always,never always和often和usually哪个的使用频率最高?急!准确率100%! 1.Zhang Hao often helps his mother___(clean)the house.2.将这些频度副词根据频率由大到小排序：often,never,sometimes,usually ,hardly,always3.这个书橱和那个一样.（用英语说） 常用的频度副词有always,never,hardly ever,usually,sometimes,often等.1.频度副词常和( )时态连用,表示现在经常或反复重现的动作. 2.这些频度副词均用来表示动作发生的频率,单程度上有所不同.频率由高 usually和often和always有什么不同啊 often和usually的区别 usually often有什么区别 usually often occasionally sometimes的频率区别是怎样的 often / usually / frequently / consistently.表示频率时候都一样吗?