On Sunday, they __________ solar panels on the roof of our house to get power. * 4 điểm put will put will be put will be putting This time next week, we _________ a free solar shower. * 4 điểm have will be had will have will be having By 2020, people in Viet Nam _________ a lot of money on heating. * 4 điểm will spend were spent will be spending will be spent In countryside, plants __________ to produce heat. * 4 điểm will be burnt burnt will burn will be burning We ________ English at this time this weekend. * 4 điểm will learn will be learned will be learning learn The effects of climate change _________ at the high-level conference next month. * 4 điểm will discuss will be discussing will be discussed was discussed Solar energy ________ to solve problem of energy shortage. * 4 điểm are used will use will be using will be used At this time next week, my dad _______ new glass in the windows to stop heat escaping. * 4 điểm will be installed will be installing will install was installed When you are fifteen years old, you ___________ in the USA. * 4 điểm will be studying will study were studied will be studied You’ll recognize her when you see her. She _______ a green hat. * 4 điểm will wear will be wearing worn will be worn At ten o’clock tomorrow he _______ in his office. * 4 điểm will be working works is working will be worked At this time next week we _________ to work to support the air pollution cutting down campaign. * 4 điểm will cycle will be cycled cycle will be cycling Where _______ in ten years? * 4 điểm do you live are you living will you be lived will you be living This time tomorrow, Kate _________ a film on types of renewable energy sources. * 4 điểm will show will be showing is showing will be show Waves ________ as an environmentally friendly energy source. * 4 điểm will be used will use will be using are used At 3 o’clock tomorrow afternoon, I ________ the Meeting on Climate Change. * 4 điểm will be attend will be attending will attend will be attended We _________ able to create a future that’s free of carbon pollution by using renewable energy sources. * 4 điểm won't be will be will be being will have been Solar panels _________ outdoors to capture sunlight and transform it into electricity. * 4 điểm will place will be placing will be placed place By the middle of the 21st century, people in developing countries _______ more renewable energy. * 4 điểm will use use will be using will be used At this time next month, we _______ a wind turbine in our garden. * 4 điểm install installed will be installing will install The children _______ to school because it’s snowing. * 4 điểm won't be walking will be walked are walked will be walking At 9 o’clock on Monday, we _______ a test on sources of energy. * 4 điểm take will be taking will take will be taken The use of electricity ________. * 4 điểm reduce will be reducing will reduce will be reduced A hydro power station ________ in the North of the country next year. * 4 điểm will be built has been built was built were built Solar and wind ________ instead of fossil fuels within 20 years? * 4 điểm are used will be used will use will be using