【题目】Learning strategies (策略), _____teachers attach importance, haven’t drawn enough attention of students.
A. thatB. thoughC. to whichD. by which
在线课程【答案】C
【解析】
考查定语从句。句意：老师们重视的学习策略没有引起学生们的足够重视。短语attach importance to“重视”，to为介词，故排除A、B和D选项；which引导定语从句修饰先行词Learning strategies。故选C。