My father______(过去经常出差), but now he has already retired.used to travel a lot oil

游客2024-02-19  18

问题 My father______(过去经常出差), but now he has already retired.

选项

答案 used to travel a lot oil business

解析 本题考查used to do,be used to do 和be used to sth./doing sth的区别。Used to do指过去经常发生的动作;be used to do意思是“被用来做……”;be used to sth./doing sth.意为“习惯于”。
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