根据划线部分提问She isn't tall or short. 划线部分:tall or shortMy favorite food is milk.划线部分:favorite food

根据划线部分提问She isn't tall or short. 划线部分:tall or shortMy favorite food is milk.划线部分:favorite food
根据划线部分提问
She isn't tall or short. 划线部分:tall or short
My favorite food is milk.划线部分:favorite food 

根据划线部分提问She isn't tall or short. 划线部分:tall or shortMy favorite food is milk.划线部分:favorite food
Is she tall or short?
What is your favourite food?

为你解答。
We are busy （on weekdays）. （对划线部分提问）
When are you busy?
解释：这是对时间提问，疑问词对了。但不用加助动词do，把are移到主语之前变为疑问语序。第一人称we要改为you。