Заполните предложения недостающими словами. Nowadays solar energy is widely 13 as an alternative form of power. Solar panels transform the energy from the sun into 14 . The first plane that does not need fuel was constructed in France, in 2015. It uses only the sun's energy. The panels are placed on the huge wings of the plane. It doesn’t fly very 15 . Solar energy can make the plane move at only 140 miles an hour. However, the plane is able to travel round the world. It is safe and can successfully 16 areas of bad weather. In the future, engineers hope to construct a model that people can 17 in. Our dream of environmentally friendly transport may 18 true very soon. Would you like to take a flight on the solar plane?

1) fly

2) electricity

3) near

4) used

5) cross

6) fast

7) come

8) explore