—Whatare youdoingthisSaturday?—I'mnotsure,butI  

问题详情：

—What are  you doing this Saturday?

—I'm not sure, but I   ________ go to  the Rolling Stones concert.

A．must               B．would

C．should             D．might

【回答】

D

知识点：虚拟语气与情态动词

题型：选择题