Which words go in the following sentences.

Young Charles was born in 1902 and was growing/grew up on a farm.

Later, although he has studied/had studied engineering in college, he was more interested in flying planes.

4 answers

. . . and grew up on . . .

he had studied
What about these?

In 1919 he learned/is learning about a contest in which he could win $25,000.

People in Paris had been waiting/will have been waiting for him for hours, and they met his plane with a huge celebration.
I'll be glad to check your answers.
I think he learned and had been waiting.