问题
选择题
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
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”