Хелп supply the future perfect or the future continuous. 1) they …… (complete) the new bridge by the end of the year. 2) when i get home my dog …… (sit) at the door waiting for me. 3) she …… (leave) for work before the children get home from school. 4) they …… (finish) work on the great dam by the end of this decade. 5) i’ll still be here next summer but tom …… (leave). 6) when alex arrives, jim …… (go) to bed. 7) before the end of his holiday he …… (spend) all his money. 8) i …… (wait) for you when you come out.