Itisathousand的精选

问题详情：完形填空。阅读短文，从每小题所给的四个选项中选出能够填入每个空白处的最佳*。   Itisathousandkilometersacrossthatdesert.Theroadis1 nearlyalltheway.Sometimesthereisadeepsand.Adrivermustthenputh...