Tom knows Sally well because he has been working with her for ye
2024-08-23英语写作基础(00597)
Tom knows Sally well because he has been working with her for years（compound sentence）
【正确答案】：Tom knows Sally well； he has been working with her for years. //Tom knows Sally well, for he has been working with her for years.
【正确答案】：Tom knows Sally well； he has been working with her for years. //Tom knows Sally well, for he has been working with her for years.
