'initializing' :cannot convert from 'class A *' to 'class B

we go from room to room _our class.A for B to C in D of Line up from（）to（）.class A smaller bigger B young old C shor class-to-class It time for ____. a,clsss b ,have class,c,to class,d,has cla We are in____ a.one class b.class one c.Class One d.Class on what class are you in? 回答（ ） A：class B：class three C：Class T C# class A {} class B:A {} class C:B Main() { A a = new A; B Boys and girls,it is time____ class.A.to B. #include class A { public: int n; }; class B:virtual public 英语翻译Convert cannot gain exclusive access to the drive letter Recently, my class went on a three-day trip from Shanghai to It is more f to do homework with a friend from your class