(2009年合肥市高三第一次教学质量检测)When you finish your work，don’t forget to put the tools back where they      ．

A．are

B．will be

C．were

D．had been

 ________you want to improve your oral English, you should start speaking English every day. [ ]

A. So long as  

B. In order that

C. Even though  

D. Now that