<span>The first scooter on two wheels was invented in 1817 by Professor Baron Karl von Dresen, who gave the name to the child - "walking machine" that has a wheel similar to a Bicycle without pedals with a wooden frame. In honor of the inventor of the Bicycle called "the trolley", "trolley" has got accustomed in the Russian language.</span>
1.+
2.+
3.any
4.a bit of
5.some
6.a lot of
А- triangle,b -circle,c- square,d- circle,e- square,f -triangle
6. meet
7. gets back
9. will get
10. will be staying
11. will have been functioning
13. will be taking care