因工作无法及时完成，须办理延期手续，还必须重新签发工作票。
参考答案：错
—How many members are there on the team?
—Eight this term. But there will be ten _____ next term. I'm not quite sure.[ ]
A. at all
B. at last
C. at least
D. at once
当桔子产地受灾时，对桔子的需求越缺乏弹性，对桔子价格的影响也就越大。为什么？
erm. But there will be ten _____ next term. I'm not quite sure.[ ]