国开《理工英语3》单元自测8（预备知识：Unit 8；10分） 形考试题 【题目】 The law requires that everyone _________ his car checked at least once a year. has had have 试题来源理工英语3 查看整套课程试卷 此内容查看价格为0.2金币，请先登录如有问题，请联系微信客服解决！
