【题目】There is no easy way to remember prepositions, as it is one area of English____ the rules seem very irregular.
A. that B. where
C. whose D. which
在线课程【答案】B
【解析】考查定语从句。句中先行词为area of English，在从句中作地点状语，故用关系副词where。句意：记住介词是不容易的，因为它是英语中规则似乎非常不规律的一个领域。故选B。