"fully answered" is correct and usable in written English.
For example, "My question was fully answered by the professor."
-- cannot be fully answered at this time.
It is a large question, and cannot be fully answered.
In the course of the novel, neither of these questions is fully answered, but gradually various implications appear.
The proposal is also forcing Spain to confront a much broader question that it has never fully answered.
None of these questions was ever fully answered (though Pistorius's defence worked hard to take them down one by one).
None of these questions can be fully answered before January 3rd, when the Democrats formally take control of Congress.
But back then the war's fundamental question whether all American citizens are equal, regardless of race was not fully answered.
It is also possible to identify the areas that remain in dispute and the questions that have yet to be fully answered.
Whether he is, like De Gaulle, an authoritarian leader longing to restore the greatness of the state, has yet to be fully answered.
This menacing vagueness, provoking myriad questions, is not fully answered, perhaps because Jacobson cannot acknowledge a Jewishness that might imprison his imagination.
Other sources insist the prime minister fully answered Abbott's challenge to be on board, and was absolutely unequivocal during the discussion in support of "one member one vote".
