1) They ... (build) the airport by April. a) will have built b) will have been building 2) The speaker ... (present) his project for 4 hours by 6 o’clock. a) will have been presenting b) will have presented 3) When I retire I ... (work) here for 30 years. a) will have been working b) will have worked 4) We ... (decorate) the Christmas tree before the children come back. a) will have decorated b) will have been decorating 5) By 2020 we ... (move) to a new house a) will have moved b) will have been moving 6) By August the kids ... (stay) at the camp for a fortnight. a) will have been staying b) will have stayed 7) I think we ... (launch) our new product by the end of December. a) will have been launching b) will have launched

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