Ответ: 1) The Smiths have owned the farm since the 1950s. 2) Sam hasn’t told us about his plans yet. 3) Margo has been singing all her life. Now she does it professionally. 4) It’s the first time Mike has driven such a wonderful car. 5) Jason bought a new dictionary the other day.6) The young people haven’t metfor two years and are happy to see each other again.7) Jane looks tired. I think she has been working in the garden. 8) That day they heard the good news and went home at once.9) The children have already left home, they are on their way to school.10) Dad has just taught me to fish