—Are you going to the concert?—I’m not sure. I stay inside and watch it live on TV instead

问题补充：

—Are you going to the concert?

—I’m not sure. I stay inside and watch it live on TV instead.

A. can

B. might

C. should

D. must

答案：

A. can

(答案→)B. might

C. should

D. must

解析：在单数第一人称后面四个选项分别表示能、可以、将要和必须，根据题意选B，你去音乐会吗？——我不确定。我反而可能呆在家看电视直播。