Question

Respostas curtas:

A) Did she think the situation was funny? Yes,___________

B) Did they see a mouse near the teacher? No,__________

Answer 1

A) Yes, she did. 

B) No, they did not. 

→ Caso você queira encurtar um pouco mais a maneira de se escrever, na questão B, escreva Didn't. 
Didn't é a junção do Did + Not! 

Espero ter-lhe auxiliado!