单选题 Communication between villages and the nearest town was poor. Roads were bad; there was some attempt to keep them in order, but as each parish was responsible for its own section of road, the state of repair depends on the zeal of the parish officers. There was, however, little wheeled traffic except for farm coaches used by men of wealth. Most traffic was by means of pack horses. Travelers rode on horseback or walked. Since communication was so difficult, the local markets, held weekly at the nearest town, or the fairs, held annually at the greater cities, became important places for the exchange of goods of all kinds.

单选题 In this passage the author's conclusion that local markets and fairs were important is based on his statement that ______.

单选题 Most traffic was not on wheels because ______.

单选题 Poor roads were probably so because of ______.

单选题 The author's statement about the importance of markets, and fairs is ______.