下图表示人体内特异性免疫的过程，图中数字分别代表相应的生理活动，试填空完成该图：
①（）和（）。
参考答案：分化；发育
I’m going to have my waste paper ____ away at once.[ ]
A. taking
B. take
C. taken
D. to be taken
The workers are busy with the repairs of the temple,which is ______.
A．out of danger
B．danger
C．in danger
D．of danger
