Grammar in focus

• At the moment, there are around 7.3 billion people 1)        (live) on our planet, and experts think that the world population 2)            (reach) 9.7 million. But how 3)              (we/feed) so many extra mouths? one solution could 4)    GM foods. A lot of people worry about 5)        (eat) GM crops, but they might be our hope.

• Most experts predict that world temperatures 6)               (continue) to rise in the coming years. Already, we can 7)     (see) the effects of global warming on the environment. For example, over the last 20 years underwater heatwaves 8)                    (damage) coral reefs around the world. There's still enough time 9)         (save) our planet, but we need to act now!

• These days, a lot of companies use robots 10)    do difficult or dangerous jobs. And a lot of people believe we 11)                (soon/have) robots in our own homes! The technology already exists, so companies 12)                 robot cleaners in the next few years.

The Brogans _________ air-conditioning in their house.

_____________ Kieran later? I need to give him back his lecture notes.