The food will useusten days.
A B C D
B use---last
这句话意思是: 这些食物可以够我们用10天。
_____ you have finished your homework, you can play basketball. [ ]
A. Now that
B. Because
C. For
D. As
溶剂ＰＨ值过高或过低都会使（）加速，造成（）损失。
