Active or passive voice 4. Centuries ago, people (not use) machines to travel around. They used animals instead.
5. In the future, short trips (taken) into space. Rockets, which can carry people into space more quickly and cheaply will be invented.
6. The first flight across the Atlantic (make) in 1927. Now, around 3,000 planes travel across the Atlantic every day.

DaryaMoh    3   03.03.2021 06:48    1