问题补充:
At the railway station, the mother waved goodbye to her daughter until the train was .
A. out of sight
B. out of reach
C. out of order
D. out of place
答案:
(答案→)A. out of sight
B. out of reach
C. out of order
D. out of place
解析:
这题考查词组辨析:out of sight看不见out of reach够不着out of order秩序混乱out of place在不恰当的位置。根据句意:在火车站,妈妈向女儿挥手告别,直到火车消失不见。选A。