Achoose the correct answer. 1. by 2050, the population of most countries will be increasing/ will have increased. 2. recycling will help / will be helping reduce the amount of rubbish we produce. 3. this beautiful weather means our holiday next week is going to be / will have been great. 4. this time next year , we will be / will have been cruising around antarcrica. 5. do you think we will ever solve / be solving the problem of global warming ?