be born for example learn about die out look up

（1）They can also

learn about

learn about

the history of tractors.
（2）Many people have to

look up

look up

the meaning of this word in the dictionary.
（3）We can do many things on Earth Day，

for example

for example

we can go to school by bike rather than by car.
（4）Early on the morning of August 19，2018，Ted

was born

was born

under a clear sky.
（5）Many species of animals are in danger of

dying out

dying out

.