1. The first means of transport people built were sleigh.
2.The invention of the wheel allowed us to make the ability to deliver heavy loads over long distances became available.
3.The Industrial Revolution relied on the invention of steam Pump, drill, steam machine, mercury thermometer, spinning machine, vehicles, steamer.
4.Throughout the 20th century, travel by car and plane, trains and buses.
5.In the future, people will be able to travel on the flying cars or space cars.
Я за него ДЗ сделал, которое он мог найти и всё сам сделать, но ему было лень, ладно, держи ответы.
Объяснение:
You are so tired and dirty.
What *have you been doing*? (Pr. Perfect Continuous)
I *have been painting* the walls of my room for 5 hours already. (Pr. Perfect Continuous)
But I *haven't finished* yet. (Pr. Perfect)
How long *have you been working* in this firm? (Pr. Perfect Continuous)
He *hasn't been sleeping* for 10 hours. (Pr. Perfect Continuous)
*Has she ever been* to Africa? (Pr. Perfect)
*Have they already done* their homework?
(Pr. Perfect)
Who * has broken* the window? (Pr. Perfect)
What *have they eaten* today? (Pr. Perfect)