Complete each sentence with a word from the box.
S '
■ applies ■ available ■ confusing ■ curve Ш demand ■ exception
1 impressive ■ increase H a w
■ limited ■ set S shift К taxes
Some of the puzzles in this book are really
Newton’s ...........................of gravity explains whу things fall towards the earth.
There is a lot o f ...........................for organic fruit and vegetables these days.
When you throw a ball, it follows a ..........................back down to earth.
Gold is expensive because there is only a very..........................supply.
When a company stops making a product, it isn’t..........................any more.
Normally I arrive at work at 8.00 am, but Thursday is an ...........................
This ru le...........................to everyone in the school,even teachers.
Everyone who earns a salary must pay......................... to the government.
There has been a .........................in public opinion about the environment recently.
There has been a h u ge..........................in demand for air conditioners due to the hot weather.
12 Prices have b e e n .........................too high and nobody can afford the goods.
13I found the work you’ve managed to do very........................... Well done!