Раскройте скобки используя future perfect continuous или present simple
1. He ( write) a letter for three hours when you( come).2.By July she ( live) here for five years.3.We ( have) dinner for half an hour tomorrow when he( call) for us.4 She ( watch) this film for an hour when you ( ring) her up.5. By the end of this month we( learn) this language for ten years.