4. Choose the best options to fill in the blanks.
Grammar and vocabulary
4. Choose the best options to fill in the blanks.
Reach for the sky!
It is incredible what inventors can come up with these days. In the past, people said that it (1) _____ impossible to make a flying motorbike, but a California-based company 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) _____ the company 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 the company'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
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
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