Thegirlridingahorsethere        beShirley．Herleftlegwas...

问题详情：

The girl riding a horse there         be Shirley．Her left leg was badly hurt in an accident yesterday．   

         A．needn't       B．may not          C．can't         D．mustn't  

【回答】

C

知识点：情态动词

题型：选择题