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问____________________________
spend doing sth. 和 spend on sth. 有什么区别?
_______________________
spend doing sth 就是spend in doing sth
花时间做…… 接动作 用介词in , in 可以省略
spend on sth
接事情,名词,用介词 on
问____________________________
spend doing sth. 和 spend on sth. 有什么区别?
_______________________
spend doing sth 就是spend in doing sth
花时间做…… 接动作 用介词in , in 可以省略
spend on sth
接事情,名词,用介词 on