i don't know what happen ,后面的名词性从句what是代主语还是宾语.

来源：学生作业帮助网 编辑：作业帮 时间：2024/10/08 16:40:33
xPJ@yBBEHzMEMRMZ+Ŗ"B_pmă03{oV1crDoH5I]3#͞&|W.7v$>UlBƺV\j$,zsY٭Brap@{(A4ztuP)n܁u_:$OҨ0&7"MJ .7ϲ-xn+FMa#O]~mb CgGE[N_/3Jw {>X1߷>+]