A: Is she in the kitchen?
B: No, she ________( )
A:is
B:isn't
C:aren't
The building ________, for which all the villagers collected money, is an animal lab.
未成年人保护法中,对违法犯罪的未成年人,在教育、感化方面和服刑期间的保护规定是属于( )
几位同学在一起讨论如何认识力和表示力的问题,其中看法错误的是( )