江西省一读者问：我与丈夫汤，，某于２０００年８月协议离婚，当时２岁的孩子由其抚养。２００１年１２月，汤某因骑车不慎被撞死，他临死之前立下遗嘱，儿子由其父母抚养，遗产也归其父母所有。虽然汤某的父母尽心尽责地抚养我儿子，但因二位老人年岁较高，有时力不从心，因 A reader in Jiangxi Province asks: I and my husband, Tang, agreed to divorce in August 2000 when two-year-old children were raised by them. In December 2001, Tangmou was killed by bicycle accidentally. He made a will before his death, and his son was raised by his parents. His estate was also owned by his parents. Although Tangmou’s parents dedicated to raising my son, but because the two older people, sometimes unable to do anything because