Put all possible questions to the following sentences. a) students live in hostels with excellent facilities. b) a team of designers created a new engine. c) graduates carry out scientific research to get a phd. d) the department of foreign languages will cooperate with the military department in the future. e) the university has bought a new helicopter for its aircraft fleet. f) there are many sport facilities on the campus. g) catering facility is important for students of full-time tuition.