 Complete the following phrase:  As the longest-serving state governor, Cutler occasionally acted as Administrator of the Commonwealth of Australia in the absence of the Governor-General. He acted as Administrator during Sir John Kerrs term from 20 February  13 March 1975, 1224 May 1975, 1617 September 1975, 23 December 1975  3 February 1976, 26 April  14 June 1977 and finally 2328 August 1977. Cutler was also scheduled to act during November 1975, when Kerr had planned an overseas holiday. However, in view of the developing situation in Canberra, Kerr cancelled his travel bookings. In 1975, Cutlers advice to Kerr that he should warn Prime Minister Gough Whitlam of his 