来自梁计春的问题
单选题,请说明原因.Thefirstthreeofthefivechaptersinthebook______veryeasy,buttherest_______difficult.A.is,areB.are,isC.was,wereD.were,were这道题应该选哪个?为什么?请详细说明,
单选题,请说明原因.
Thefirstthreeofthefivechaptersinthebook______veryeasy,buttherest_______difficult.
A.is,areB.are,isC.was,wereD.were,were
这道题应该选哪个?为什么?请详细说明,
