Программа тестирования, не могу разобрать свои косяки :(.

#include "stdafx.h"
#include <vector>
#include <iostream>
#include <string>
#include <fstream>
#include <string>
#include <windows.h>
using namespace std;
 
 
 
class Question
{
    private:
        string question;
        string answer;
        int rightanswer;
        friend ostream&  operator<< (ostream&,  Question&);
        friend ifstream& operator>> (ifstream&, Question&);
        friend ofstream& operator<< (ofstream&, Question&);
    public:
        Question(string _question = "Вопрос", string _answer= "ответы");
};
 
Question::Question (string _question, string _answer)
{
    question = _question;
    answer = _answer;
}
 
ostream& operator<< (ostream& str, Question& q)
{
    str << q.question;
    return str;
}
ifstream& operator>> (ifstream& str, Question& q)
{
 
    getline(str, q.question);
    return str;
}
 
ofstream& operator<< (ofstream& str, Question& q)
{
    str <<q.question;
    return str;
}
 
 
class Test
{
    private:
        vector<Question> list;
    public:
        Test();
        ~Test();
        ;
        void DelQuestion();
        void PlayTest();
        void AddQuestion(Question);
};
 
void Test::AddQuestion(Question q)
{
    list.push_back(q);
}
 
Test::Test()
{
    ifstream file("Test.txt");
    Question question;
    while (file >> question)
    {
        AddQuestion(question);
    }
    file.close();
}
 
Test::~Test()
{
    ofstream file("Test.txt");
    for (vector<Question>::iterator it = list.begin(); it != list.end(); it++)
    {
        file << (*it) << endl;
    }
    file.close();
}
void Test::PlayTest()
{
ifstream file("Test.txt");
string st;
vector<int> answer;
int ball=0;
  int otv;
  for (vector<Question>::iterator it = list.begin(); it != list.end(); it++)
  {
  getline(file,st);
  cout<<st<<endl;
  cin>>otv;
  answer.push_back(otv);
  }
    cout<<"Баллы: "<<ball<<endl;
  };
void main()
{
    SetConsoleCP(1251);
    SetConsoleOutputCP(1251);
 
    Test myTest;
    myTest.PlayTest();
}