“课外”的英语？

“课外”的拼音为：kè wài...

夜深了,他还在做课外作业.It was late at night and he was still working away at his homework.比尔坐着空想,他母亲要他面对现实,去做课外作业.Bill was sitting and daydreaming so his mother told him to come down to earth and to do his homework.老师给了我们十道数学题作为课外...