—Mum，canIgoonaholidaywithmyclassmatesthissummervacation...

问题详情：

—Mum，can I go on a holiday with my classmates this summer vacation?

 　—OK．You　　　　 have a chance if you get along well with your studies．

A．could             B．shall            C．might            D．must

【回答】

B

知识点：情态动词

题型：选择题