英语翻译

问题描述:

英语翻译
tom has finished his homework,he is free now这种翻译可以吗?还说说要像标准答案那样加个doing
tom has finished doing his homework ,he is free now?
为什么标准答案加了doing呢?

tom has finished his homework,he is free now这种翻译可以吗?还说说要像标准答案那样加个doingtom has finished doinghis homework ,he is free now?为什么标准答案加了doing呢?回答如下(1)如果要强调动作就这...