lucy spent three years ______Chinese before she came to China 为什么填learning 求解释
问题描述：
lucy spent three years ______Chinese before she came to China 为什么填learning 求解释
答
(on) learning
spend 后面加 on doing,省略介词
如有问题,欢迎继续追问：）请问能详细点解释吗？谢谢spend some time doing，就是“花时间做某事”，算是固定搭配，每个词用法不一样，你就记着spend后面只能加doing就行了