Part-time jobs give students a sense ofachievement and accomplishmentthrough contributing to the society.这句话中为什么contribute要用ing的形似呢

part time jobs 什么意思? students to have part-time jobs? Part-time jobs can take our time and en___. Part-time jobs give students a sense ofachievement and accomplishmentthrough contributing to the society.这句话中为什么contribute要用ing的形似呢 求四级英语作文Part-time Jobs for College Students what do part-time jobs bring to us 如何写do students meet to do part time jobs Part —time jobs ,一篇段英语作文, whether teachers take part time jobs or not 求一篇作文Part-time Jobs are Useful for Full-time Students He makes some ( )by doing part-time jobs during his vacationsfun food time money 选哪个 .What do you think of students' taking part-time jobs?英语考试，要求300单词左右 Is it good for students to have part-time jobs?why?用英语回答! 求助英语辩论词我的辩题是：Students should be allowed to have part-time jobs nowdays,it seems more and moer college students take on part-time jobs the advantage and disadvantage of doing part-time jobs for college students 英语翻译The man had to find several part-time jobs to ( )his family. problems appeared in college students part-time jobs?不少于300字,求破,3q