Помогите сделать британский,пожалуйста.Изберите подходящую форму глагола,1. By the beginning of

Помогите сделать британский,пожалуйста.

Изберите подходящую форму глагола,
1. By the beginning of the 21 st century a lot of models of planes (were invented/have been invented)
2 ln 1930 sliced bread (was introduced/has been introduced) in the USA
3 A photograph (was invented/has been invented) by Thomas Edison in 1877
4 Many improvements (were мейд/have been мейд) in designing space rockets in Russia by the beginning of the 21 st century
5 The first aeroplane in Russia (was desighed/has been designed0 by Mozhaiski in 1878.