The phrase "respond fully" is grammatically correct and can be used in written English.
Example: "Please take your time and respond fully to the questions on the survey."
"The agency will respond fully to the subpoena".
Al Jazeera officials in Doha, Qatar's capital, refused to respond fully to questions about the tape.
Ministers are likely to take some weeks to respond fully to the report.
Cameron welcomed the review and said he would respond fully in the new year.
"Plaintiff failed in her legal obligation to respond fully to the lawful discovery demands.
The government will consider this report carefully and respond fully in due course".
There are many effective treatments but only about a third of individuals respond fully.
We will consider the committee's report and respond fully in due course".
The managing director of Manchester Airport, Andrew Cornish, promised to respond fully to the points raised.
Google replies: "It is difficult to respond fully to documents we have not seen..
These patients may not respond fully to treatment using thyroarytenoid (TA) muscle botulinum toxin (Botox) injection.
