国开《 英语语法》形考任务二 形考试题 【题目】On hearing a great noise, Mike looked forward through the window _____ what happened outside the room. to seeing to see seeing to have seen 试题来源 英语语法 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！
