Sam昨天做了大量的数学练习题的翻译：Sam yesterday have done a lot of exercises of mathematics 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

sam did a lot of math exercises yesterday

Sam yesterday have done a lot of exercises of mathematics

Sam has yesterday made the massive mathematics exercises

Yesterday Sam has done a great deal of math practice questions

Sam yesterday have done a lot of exercises of mathematics