UC知道两道英语题 有30分拿
来源：百度知道 编辑：UC知道 时间：2024/05/20 22:06:50
After graduating from college,Mary spent a year in New York,( ) at a homeless shelter.
为什么用volunteering不用to volunteer有什么区别。
这种情况下DOING和TO DO 有什么区别
I am sure that the novel,once ( ),will prove a great success.
为什么要用published不能用to be published或者being published
为什么用volunteering不用to volunteer有什么区别。
这种情况下DOING和TO DO 有什么区别
I am sure that the novel,once ( ),will prove a great success.
为什么要用published不能用to be published或者being published
只有spend some time doing sth的形式,没有spend some time to do sth的形式.
有逗号分开,不用being,整句相当于i am sure that once the novel is published,it will prove a great success.
1.to do有将来未发生的意思，这里用doing表示过去的事情
2.(it is)省略。完整的是once it is published.
1、doing表过去
2、后置定语-ed表现在，to be done表将来，being done表过去