Choose the word that best completes (4) in the passage.
"Japan university to hire non-smoking staff only
A university in Japan has said it will no longer hire teachers who smoke. Nagasaki University said it wants to create a ...(1)... environment for its workers and students. The university's president Shigeru Kono said: "Our job as a university is to ...(2)... our staff. We feel we have to ...(3)... them from smoking. "Many companies have also started not ...(4)... smokers. Mr. Kono said there would be a ban on smoking everywhere in the university from August. In addition, staff and students will be ...(5)... from taking cigarettes and lighters into any areas of the university from April 2020."
