填空题

It is desirable that you __________________________(保持费用越低越好).

【参考答案】

keep the cost as low as possible
<上一题 目录 下一题>
热门 试题

填空题
No delay is especially important for ______ applications.
填空题
By commenting that students were ’docile notetakers’ , the Time magazine suggested that students should have been ______.
相关试题