Question

Место пробелов вставить (который? кто? что? когда? где? ) Which ,who ,that ,when,where . 1. 1843 was the year in ... Samuel Morse proposed a way to give every letter and number a special code (point ,line and space). 2. It was Morse's Symbol code ... we can still find used today . 3. Alexander Popov from Russia ... invention of the radio came before Marconi's, did non patent it.

Answer 1

1 ecли точно стоит in-тогда which ( лучше when)
2 which
3 whose

Answer 2

1.when
2.which
3.who
!!!!!!!!!!!!

Answer 3

1. 1843 was the year in which Samuel Morse proposed a way to give every letter and number a special code (point, line, and space).

2. It was Morse's Symbol code that we can still find used today.

3. Alexander Popov from Russia, who invention of the radio came before Marconi's, did not patent it.