旅客服务系统为旅客提供了详细的列车信息查询
A. 对
B. 错
The writer’s reading of their letters left him not only ________ but also more ________ than before.
The Reverend Nelson had ended with schools undergoing such swift changes that he had retired in ________.
The writer’s letter had brought the Reverend Nelson welcome ________ that his career had been ________.