//檢查隨機題型 public string CheckExaminationRandom() { if (_randomQuestionTypeList.ElementAt(_count) == 1) { return(_check.CheckAnswer(_userFillAnswer, _englishList.ElementAt(_count))); } else if (_randomQuestionTypeList.ElementAt(_count) == 2) { return(_check.MultipleResult(CheckMultipleAnswer(2), _englishList.ElementAt(_count))); } else { return(_check.MultipleResult(CheckMultipleAnswer(3), _chineseList.ElementAt(_count))); } }