Составить предложения на английском языке с предлогами at, in,on, since, before, afier, about, for.

1.What  are you going to do after this class? 2. I knew her before I saw her. 3.Anna met Jim in 1994. 4.I'm seeing Jim at 4 tonight. 5.They have been talking for three hours! 6.We had a nice picnic on the 1st of May. 7.I haven't seen him since Monday. 8.Walk about the square and meet me in 15 minutes/