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:句意:“在火车站,母亲一直挥手同女儿告别直到火车远到看不见。故正确答案为A。“out of reach”“手不能及,非某人能力所及”;“out of order”“出故障,工作不正常”;“out of place”“不在适当的地方,不适当的”