my ( )sister is two years ( )than I.A.older elder.B.elder older.C.older.older.D.elder elder 为什

问题描述:

my ( )sister is two years ( )than I.A.older elder.B.elder older.C.older.older.D.elder elder 为什

B,第一个my elder sister 是姐姐的意思,是辈分,用elder
第二个是指年龄,用older
总结下来,辈分大用elder,年龄大用older