国开《商务英语3》单元自测4(形考占比10%) 形考试题 【题目】Businesses can use free samples to build rapport and ______ customers ______ products or services. engage…to… engage…in… engage…for… 试题来源商务英语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!