3.下列句子均有一处错误,请改正.
1).Lileiisdohishomeworkintheclassroom.
2).Isyourfatherswimingintheriver?
3).Whorunningwithyou?
4).HeisspeaksomeEnglishnow.
5).Look!hewatchingTVintheroom.
现在进行时的易错点: