国开管理英语4形考任务1到8答案 .pdf,国开管理英语 4 形考任务 1 到 8 答案 1、It’s one of ___ means of transportation. [单选题] * A. cheap B. convenient C. second-hand D. the most convenient(正确答案) 2、27 .My father is a professor and he works in___