My grandfather is always thinking for others. In another word, he is always ________.
It shows that a knowledge of first aid can make a real.
The cool water stops the burning process,prevents the painunbearable and reduces swelling.
Burns are called first,second or third degree burns,which layers of the skin are burned.
First aid is a temporary form of helpto someone who suddenly falls ill or gets——before a doctor can be found.
his first assignment at the office of a popular English newspaper.