B．根据课文的内容在每个空白处填入一个恰当的词。 It was very late at night on the eve of Memorial Day. She got on the subway 61 at the 34thStreet Pennsylvania Station I am still trying to remember 62 she managed to push herself 63 with a baby on her right arm, a traveling Bag in her 64 hand and two children, a boy and a girl, about three and five years old, 65 after her. She was a nice looking white lady in her early twenties At Nevins Street, Brooklyn．I saw her 66 to get off the next station-Atlantic Avenue- 67 happened to be the place where l had to get off. Just 68 it was a problem for her to get on, it was going to be a problem for her to get off the train 69 two small children to be 70 care of, a baby on her right arm and a medium-sized bag in her left hand.__________
【正确答案】：train
【题目解析】：由第一句话中的“subway”和“Pennsylvania Station”可知，故事发生的背景在地铁上，“subway train”表示地铁