________ adj.enough in quantity，or good enough in quality，for a particular purpose or need ________ v．to choose sb for a job or position of responsibility ________ n．the regular beat of blood as it is pumped around the body ________ n. the usual way that a person or an animal behaves that is part of their character ________ v．to happen or to make sth happen faster or earlier than expected ________ v．to say that you are sorry for doing sth wrong or causing a problem

3． 4． 5． 6． 7． 8．

adequate　 appoint　 pulse　 nature　 accelerate　 apologise