Question

the first thing that men...........(learn) as soon as they began to study nature carefully, ..............(be) that some events ..............(take) place in regular order and that some causes always give rise to the same effects.​

Answer 1

the first thing that men learnt ...........(learn) as soon as they began to study nature carefully, is ..............(be) that some events take..............(take) place in regular order and that some causes always give rise to the same effects.
By Adheyta Sir. I am on YouTube with this name.

Answer 2

Answer:

1 learnt

2 been

3 taken

this is answer of this question