my father went to Shanghai when he was twenty 同义句同义句是my farther went to shanghai ______ _______ ______ _____twenty

my father went to Shanghai when he was twenty 同义句
同义句是my farther went to shanghai ______ _______ ______ _____twenty

at the age of
在...岁时

20 years old when my father went to Shanghai

my farther went to shanghai ___when___ ___his____ __age____ __was___twenty