A,A,A,B,B,A,C最后一题拿不准，我语法不行，完全凭语感，但语感相当不错哦~！
A. the moment A. that A. pair of newA. Since A. in 1930s A. not swim A. on
A A A B A A A个人见解，不一定都对。
the momentwhatpair of newbecausein 1930'snot swimon
