Употребить глагол в форме Present Perfect или Present Perfect Continuous и предлоги for,since.1.I (play) my favourite sporttwo years.2.Nick(dive)last year.3.We (know) each otherages.4.Sarah (send)her friends three postcards.5.They (be) in Paris last week.6.She (study) French a year.7.We (have) a good time in Moscow.8.They (dicuss) the question morning.