About one hundred years ago, there
were
(be) no planes. The Wright brothers
invented
(invent) the first plane. They
lived
(live) in the US. One day, some birds were flying in the sky. They
looked
(look) at the birds for a long time. They
wanted
(want) to fly like the birds. Then they
worked
(work) hard to make a plane. They
called
(call) it “Flyer 1”. In 1903, Orville Wright
climbed
(climb) into the plane and
started
(start) the engine (引擎). It didn't fly very high or far. But it
was
(be) the first plane that could fly in the sky.