单项选择题
A．life on old sailing ships was enjoyable B．people enjoyed sailing old ships in rough seas C．most of the passengers felt comfortable when the ship was rolling D．it was very painful for both passengers and crew during the voyage
A．Britain than in the USA B．France than in Britain C．the USA than in Britain or France D．France than in the USA or Britain
A．Buses on the road. B．Films on television. C．Advertisements on the board. D．Gas stations.