1. Most of the students at my high school decided to study at the same university. The first day of classes at the university, I knew many classmates. The first day of classes at the university, I met many colleagues. 2. All my papers were damaged by the rain. While waiting for the bus, it rained. It was raining while I was on the bus. 3. There is a great scandal over the disappearance of funds, but nothing is yet known. The politician wanted to make comments. The politician did not want to comment. 4. Yesterday three terrorists died in a bus station. The terrorists left the station and the bomb exploded