【题目】Actually all the empty apartments in downtown areas have been rent at______ high prices.
A. extremely B. constantly C. approximately D. frequently
在线课程【答案】A
【解析】
试题分析：考查副词辨析 A. extremely极其；B. constantly不断地；C. approximately大约；D. frequently频繁地；句意：事实上所有空置的城市房间以极高的价格被出租出去，根据语境可知选A项。
考点 : 考查副词辨析