选词填空concentrateabandoned intelligenceaccomplishedn possess1. What qualifications（资质条件）do you think a person has to _________ in order to get the job?2. Fearing further attacks, most of the population had __________ the city as soon as possible.3. Do you believe that with all our efforts we have already __________ all we set out to do till now?4. Doctors are aiming to ____________ more on prevention than cure.5. Scientific researches show that a child's ____________ develops rapidly between the ages of four and five.