1.   All this, while the field is festooned with unanswered question Marks!

2.   But it left some unanswered questions.

3.   Conclusion With so many unanswered questions, it is an unwise man who comes to a conclusion.

4.   For the Republicans the primary season leaves many more unanswered questions.

5.   He went up to Rehoboth and repeated all the still unanswered questions.

6.   The shock-waves from the disaster are still being felt in a whole host of unanswered questions and accusations.

7.   The survival rate of animals returned to the wild remains an unanswered question.