英语句子帮看下对错 the cartoon depicts a young boy who ,with a sweet

with a sweet smile on his face 可以这样插进去,smile作为名词时,若与face搭配,只能是smile on one's face
原句可改为以下两种更为合适
the cartoon depicts a young boy who is rushing to the end of a race,and with a sweet smile on his face
或者
the cartoon depicts a young boy who with a sweet smile on his face,is rushing to the end of a race