Supply the future perfect continuous tense of the verbs in brackets. 1. next year we …… (study) english for three years. 2. in summer my brother …… (travel) in siberia for a year. 3. in two years my friend's father …… (work) at the factory for 30 years. 4. it …… (snow) for a week tomorrow. 5. next year she …… (give) music lessons for twenty years. 6. in a month he …… (play) football for seven years. 7. in ten minutes they …… (discuss) this question for three hours. 8. in september they …… (build) their country house for 2 years. 9. in two months she …… (work) at school for ten years. 10. in half an hour they …… (write) a test-paper for two hours.