1, we.............live in the city in the future. A,will. B,won't. C,don't t 2,he will ...........some pictures with his camera A,takes. B,taking. C,take 3,she thinks we...........travel to the moon A,don't. B,might. C,was 4, they will live in...........houses in the future A, hi-tech. B,paper. C,water 5,If we plant more treea, the air........be sơ polluted A,will. B, won't. C,do 6,we can reuse........ A, water. B, air. C, bottles 7,we shouldn't...........rubbish on the street A,throw. B,wrap. C,turn off 8,turn.........the lights when we go out A,on. B,off. C,of 9,planting more .........to reduce pollution A,rice. B, flowers. C,trees 10,If he .............so hungry,he will eat that cake A,is. B,are. C,be