分类：教育/科学-外语学习-英语考试
问题：专业英语人士请支助一下（Pleasetellmewhyistha? 
1.--Where's Sam?--He () for France.A.had leftB.has left好像都可以呀？2.--er, don't play that kind of joke any more. --Sorry! I ()do it again. A.won't B.wouldn't 这两个是一个意思吧？3.Jim is a student and () in Town High School.A.studies B.studying好像都可以呀？41.--Where's Sam?--He () for France.A.had leftB.has left好像都可以呀？2.--er, don't play that kind of joke any more. --Sorry! I ()do it again. A.won't B.wouldn't 这两个是一个意思吧？3.Jim is a student and () in Town High School.A.studies B.studying好像都可以呀？4.翻译：This project is aimed at helping more children go to school.
回答：1 b--用现在完成时比较合理
2 b--有不愿+不会的意思
3 b--因为前面的动词is
4 这个项目的目的就是帮助更多的孩子上学。