Task 2. Write the questions. Put the words in the correct place. 1 did graduate from university? (you/ when)2 who go to the concert with? (did / you)3 which did you at the cinema? (see / film)4 when you to drive? (did / learn)5. where you to school? (did / go)www​

The American inventor W.H. Carrier developed the first air-conditioning unit in 1902. Since then, the (1)popularity of air-conditioners has increased (2)rapidly. Given people's (3)ability to function in the heat, air-conditioners provide them with a feeling of comfort. That is why the (4)likeliness of even more people installing air-conditioners for (5)personal use in the (6)privacy of their own home will increase further.
But what do they do? Their aim is to (7)stabilise the temperature in a room. This is accomplished by the (8)presence of a fan, which also removes dust and odours from the air and controls the humidity. The (9)efficiency of air-conditioner depends on the power of its fan. Nowadays there is a great (10)variety of air-conditioners on the market which are bound to cover each person's needs