youngest boy has just started going to ________ school. A. a/x B. x/the C. an/x D. the/x19/30________ youngest boy has just started going to ________ school. a/x x/the an/x the/xGiải thíchThe youngest boy: cậu bé trẻ nhất go to school: đến trường Chọn đáp án D