In case of emergency, whether knowing how to apply first aid or not really in ma
来源：网络
时间：
推荐文章
In case of emergency, whether knowing how to apply first aid or not really ________ in matters
concerning wounds like swollen wrists, broken arms, burns, cuts, and so on. [ ]A. makes difference
B. makes a difference
C. makes differences
D. makes different
试题答案
B