问题
选择题
I think going swimming in my spare time, _____ I think is great fun and good exercise as well as a useful skill.
A．which
B．as
C．that
D．what
答案
答案：A
定语从句考查题。先行词为整个主句之意关系词which在从句中做主语。句意：我认为业余时间游泳是一件有意思的事情既是锻炼又是技能的培养。