题干
your lessons．There' ll be an exam tomorrow．
A：Going over
B：To go over
C：Go over
答案(点此获取答案解析）
C
your lessons．There' ll be an exam tomorrow．
A：Going over
B：To go over
C：Go over
}的前8项和S的算法，算法执行完毕后，输出的S为
