Question

【题目】At the railway station, the mother waved goodbye to her daughter until the train was ________.

out of sight

out of reach

out of order

out of place

Answer 1

【答案】A

【解析】句意：在火车站，母亲向女儿挥手告别，直到火车消失在视野中。out of sight“看不见，在视野之外”，符合句意。out of reach手够不着；out of order次序颠倒；out of place不合适的。