whom ---who1.on--in 2.writing --written 3.was--is 4.interested --interesting 5.seiously--serious 6.listens 后加to 7.the ----a 8.with 去掉 9.them--it
whom ---who1.on--in 2.writing --written 3.was--is 4.interested --interesting 5.seiously--serious 6.listens 后加to 7.the ----a 8.with 去掉 9.them--it