Удивись данным утверждениям. 1.alyosha sang a song last night.-did he sing a song? 2.lena drank coffee last night 3.denis bought a new car 2 years ago 4.vanya put on a new coat yesterday 5.diana wrote a sad story last week

Did Lena drink coffee last night?
Did Denis buy a new car 2 years ago?
Did Vanya put on a new coat yesterday ?
Did Diana write a sad story last week?