标题: 求助 大全433 [打印本页] 作者: maggiexu6262 时间: 2010-7-19 14:33 标题: 求助 大全433 大全433 Intended primarily to stimulate family summer travel, the new airfare, which allows both an adult and a child to fly for the price of one ticket, and also shortens the advance-purchase requirement for family travel to a minimum of seven days rather than fourteen. (A) and also shortens the advance-purchase requirement for family travel to a minimum of seven days rather than (B) and also lessens the advance-purchase requirement for family travel to a seven-day minimum from (C) also shortens the advance-purchase requirement for family travel to a minimum of seven days rather than that of (D) also lessens the advance-purchase requirement for family travel to a seven-day minimum from (E) also shortens the advance-purchase requirement for family travel to a minimum of seven days rather than