Grammar and vocabulary4. Choose the best options to fill in the blanks.Reach for the sky!It is...

Grammar and vocabulary

4. Choose the best options to fill in the blanks.

Reach for the sky!

It is incredible what inventors cane up with these days. In the past, people said that it (1) _____ impossible to make a flying motorbike, but a California-basedpany called Aerofex (2) ______ just that. The Aero X hoverbike runs on normal petrol and it (3) ______ two people to ride up to three metres above the ground at a speed of 70 km/h. The first model (4) ______ back in 2012, but experts (5) _____ thepany that it looked very ugly. Since then, the design (6) ______ so that now it looks like something out of the film Star Wars. It has taken so long to produce because this kind of vehicle has always been considered (7) ______ dangerous. You (8) ______ have a pilot's license to use the hoverbike, but all riders will have to do a training course before they buy one. The Aero (9) ____ around 85,000 and can be reserved on thepany's website for 5,000. But if you (10) ______ one, you'll have to be quick, because they are sure to be very popular.

1 a are     b was     c would

2 a was done     b was doing     c has done

3 a allows     b lets     c prevents

4 a is developed     b developed     c was developed

5 a said     b told     c told to

6 a is changed     b was changed     c has been changed

7 a enough     b too     c too much

8 a needn't     b mustn’t     c can’t

9 a costs    b pays     c charge

10 a wanted     b want     c will want