—Come on, please give me some ideas about the project.—Sorry. With so much work my mind, I almost break down.
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.
Water is vital _______every living thing ______, without which the world would be a dead place.
A cut in the tissue is easy to heal but a(an) _______ to the heart, if possible, takes a long time to do so.
It is several years since he ______ ill and his illness _______ great damage to his health.
Medicine bottles should be clearly labeled and ______in places ______ are out of children’s reach.