81.   But unanswered questions remain.

82.   But the unanswered question is how the virus jumped to humans.

83.   But the unanswered question is who winds up where.

84.   But whether shields and guns mix favorably with social service remains an unanswered question.

85.   But there are still a lot of unanswered questions.

86.   But there are unanswered questions.

87.   But whether people are ready for it yet is an unanswered question.

88.   But they sounded notes of caution that reflected many unanswered questions about the killer and the demonstrations, which he had joined.

89.   Butler has found no progress on outstanding issues in the last six months and Dillon, while more upbeat, still has some unanswered questions.

90.   By departing, however, without a brimstone-spewing news conference of his own, Grant leaves too many unanswered questions.