Инфинитив: вставьте частицу to перед инфинитивом,где необходимо. competitive,hi-tech firms must otherwise their products become out of date. 2.before we where the equipment,we need out market research. 3.he didn't with his superior. 4.the first thing a commercial is the potential customer's eye. 5.our main competitors were insolvent. 6.the employers tried a lock- the workers..accept their terms. 7.there is nothing for with the tax lawyer. 8.why our own employees first for any vacancies? 9.the supervisor lost control of this subordinates afther he allowed his decisions. 10.hi-marks company is an exclusive distributor in our region,so we are forced purchase domestic appliances from them.