【正文】
t did a conductor do in the bus? They travelled by bus. They had to buy tickets. There was a busconductor in each bus. He collected money from the passengers and put the money in a bag. Do passengers buy tickets now? Where do they put their money? Were there any doubledecker buses in the past? Travelling by bus was very fortable, wasn’t it? No, they don’t. They put their money in a farebox. No, there weren’t. No, it wasn’t. Were there any airconditioners in buses in the past? What do most buses have nowadays? Were there any women busdrivers in the past? All of busdrivers are men now, aren’t they? No, there weren’t. Most buses have airconditioners. No, there weren’t. No, some are men, some are women. ? 1. In the past, all of the buses had fare boxes. ? 2. In the past, some of the buses were airconditioned. ? 3. Nowadays, none of the buses are doubledecker buses. ? , some of the bus drivers are women. Fnone of F none of