一道初中的题Canyou_____onourschoolmusicfestivalA:areB:joinC:beD:play
Canyou_____onourschoolmusicfestival
A:areB:joinC:beD:play但书上文章里有句话Youcanbeinourschoolmusicfestival.怎么给学生解释呢,还有B选项怎么解释,急