1) It is fantastic that it's becoming _______ to get electricity from the sun and the wind. a) easier b) harder 2) People can't buy a house because the prices are going _______ all the time. a) up b) down 3) The number of driverless cars needs to _________ to make the roads in big cities safer. a) get better b) go up 4) The number of people experiencing bad weather is ___________and scientists are very worried that this situation will continue. a) increasing b) decreasing 5) Everyone is happy when things ___________ and worried when they ___________. a) get better, get worse b) decrease, improve 6) In some countries, the population is ____________ so there aren't enough young people. a) rising b) falling

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