国开《商务英语写作》形考任务二 形考试题 【题目】We should be grateful ______ you would tell us ______ they are reliable for a credit up to US $30,000. if…whether whether…if if…that whether…that 试题来源商务英语写作 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！
