Question

The boy said he had to speak English in class,but he _______ speak it after class.

a.could b.didn't have to c.might d.shouldn't

Answer 1

B
没必要

Answer 2

B
A、C为肯定，B、D为否定。前句为肯定，後句用转折连词“but”，所以在B、D中选。
根据句中意思：男孩说他必须在班上说英语，但他下课後（ ）说英语
B：不必；D：不应该
所以选B