This kind of chemical is dangerous and you’d better keep it out of the of children.A. hand

问题补充：

This kind of chemical is dangerous and you’d better keep it out of the of children.

A. hand

B. reach

C. space

D. order

答案：

A. hand

(答案→)B. reach

C. space

D. order

解析：可联系答.案.网客服索取。