10 класс , составить предложения со словами: 1) attempt (make an attempt) 2)on average 3)beginning 4)bottom 5)cause 6)conclusion 7)experiment 8)fact 9)introduction 10)phone call 11)photo(graph) 12)research заранее !

In their phone call they told us that at the beginning they had made an attempt to reach the bottom but then they came to a conclusion that on average the cause of their experiment failure was the fact that their research had been done only basing on a photograph placed in the introduction to the book.