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spend...in...spend...on...有什么区别spend...in...spend...on...有什么区别
题目详情
spend...in...spend...on...有什么区别
spend...in...
spend...on...有什么区别
spend...in...
spend...on...有什么区别
▼优质解答
答案和解析
spend in doing sth花费时间/金钱做某事 I spend one hour in finishing this job.
spend on sth花费时间/金钱在某事上面he spent half an hour on his homework.
spend on sth花费时间/金钱在某事上面he spent half an hour on his homework.
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