单项选择题A．it is cheaper and faster than ordinary mailB．it can send things that could not be expressed by telexC．it is faster and not much more expensive than mailD．the Royal Mail could not reach places abroad

单项选择题A．by accidentB．because he couldn’t find a place to make a photocopyC．because there was no place nearby to provide the photocopy serviceD．because all sorts of people need it

填空题subject

单项选择题A．cigarettesB．exercise booksC．photocopiersD．chocolates

填空题catalogue