下列选项中全部分布在东出碱槽的是（）组出碱口。
A、一，三
B、二，五
C、四，六
D、一，二，五
参考答案：A
Ten giant pandas are heading to the Shanghai Expo, _________ they will go on year-long display.
A．which
B．where
C．what
D．when
My book is _____ the table. I can't see it. [ ]
A. on
B. at
C. of
D. under
