问题补充：
. – How did you spend your national holidays?
– Oh, Imost of my time watching TV, and then I was invited to visit a relative in Qingdao.
A. have spent
B. was spending
C. spent
D. had been spending
答案：
A. have spent
B. was spending
(答案→)C. spent
D. had been spending
解析：考察时态.句意:你是怎么度过你的法定假期的?_哦,我花了大部分时间看电视,然后被邀请去青岛看一位亲戚.结合语境可知是描述的过去(假期里的)的动作,故用过去时态选C.
