- Fill in the gaps with the preposition on, at, in, of, to. 1) Pushkin was born June 6th, 1799 Moscow. 2) The tsar sent him southern Russia. 3) Lomonosov was the son a poor fisherman. 4) We got up 7 in the morning and hurried the station. 5) the country side is beautiful. 6) We arrived town late night. 7) Sunday we decided to go ___ the countryside.