they have discussed it for days,but when and where to hold the New Year's party still ___yet.A haven't been decided B hasn't been decided答案是B,我选A了.为什么谓语动词用单数啊?

来源:学生作业帮助网 编辑:作业帮 时间:2024/09/09 09:53:46
xݑAJ@ B={W!$Zˢh,Fڠ"t%x$8{Gq;>dx4H6h6/XSCÚ"jPӲ@UUv[t,LH$ԧ@YqiO*³mpe6,sXUEFlHV<('m&J^ u9(~0H)==_|IJ\KD(Xyq$xIlsL|-(2q5S/ Di7