Alice said she was really busy this week but I think she show up at the party if she does

问题补充：

Alice said she was really busy this week, but I think she show up at the party if she doesn’t have to work overtime on Friday.

A. would

B. might

C. must

D. shall

答案：

A. would

(答案→)B. might

C. must

D. shall

解析：考查情态动词。might表示可能性。因为句子是说只要她星期五不超时工作就应该会去，很显然不是说只要她星期五不超时工作就可能去。故选B