Размещено 5 лет назад по предмету
Английский язык
от clementine6066
Open the brackets using Present Perfect Continuous. 1) He (to try) to solve this problem for several months now but he hasn't found a solution yet. 2) He (to teach) at school for twenty years. 3) Mr. Smith (to work) in his room since early morning. 4) The children (to sleep) for 5 years.