【单选题】It was because it had been raining for several days, leading to a flood over the fields and the villages that many people fell _______ without foods and shelters.
【简答题】Britain has the highest _____ of road traffic in the world—over 60 cars for every mile of road. [A] density [B] intensity [C] popularity [D] prosperity
【简答题】Britain ahs the highest ________ of road traffic in the world—over 60 cars for every mile of road. A) popularity B) density C) intensity D) prosperity