【单选题】根据下面对话,回答题。 Dialogue One Speaker A: I like watching old movies and I think they are the best. Speaker B:___1____even though they&39; re in black and white. I think a good story is more importa than co...
【单选题】Dialogue and cooperation between the North and the South on the urgent economic problems in the world should be ______ and strengthened at all levels.