问题
选择题
American students take part in a wide variety of after-school activities _______ they develop their social skills.
A．where
B．which
C．that
D．what
答案
答案：A
题目分析：考查定语从句。题意：美国学生有许多课外活动，从中锻炼社会技能。活动是锻炼技能的“场所”，故定语从句用where引导。A项正确。