Question

write the correct alternatives to fill in the blanks:
Men first _______ stone tools, which people ________ various parts of the world, many thousands of years ago. some people have studied intensively their development & they __________ a number of stages ​

Answer 1

Answer:

i) used

ii) from

iii) developed

Explanation:

I think these are the only alternatives possible in this sentence.

Please mark my answer as the brainliest.