来自唐怀璞的问题
iknewalittleaboutthatcountrybeforei_____thereseveralyearsago.为什么填went?如果用went的话,那前面不就应该用ihadknown了么?
iknewalittleaboutthatcountrybeforei_____thereseveralyearsago.为什么填went?
如果用went的话,那前面不就应该用ihadknown了么?

