---Do you know boy who can play violin?---Yeah! He is artist. He also plays football v

问题补充：

---Do you know boy who can play violin?

---Yeah! He is artist. He also plays football very well.

A. a; a; the; /

B. The; a; a; the

C. the; the; an; /

D. The; an; a; /

答案：

A. a; a; the; /

B. The; a; a; the

(答案→)C. the; the; an; /

D. The; an; a; /

解析：句意：你知道那个能拉小提琴的男孩吗？——是的，他是一个艺术家。他足球踢得也非常不错。结合语境可知上文前一空特指的是能拉小提琴的男孩，故用定冠词the。下文前一空，泛指任何一个艺术家，故用不定冠词，artist词首音素是元音，故不定冠词用an。play后在接乐器类时，一般要加定冠词the。在接球类运动时，一般不加冠词，故选C。