Question

他一到达车站，就发现妻子在等着迎接他。误：At his arrival at the station，he found his wife waiting to meet him．正：On his arrival／On arriving at the station，he found his wife waiting to meet him．[

Answer 1

答案：
解析：

该题是介词用法错误。介词on／upon可用作“在……时、在……之后”解，后跟名词或-ing形式，相当于一个用as soon as引导的时间状语从句，强调这个动作一发生，另一个动作立即发生；而at却无此意。[

提示：

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