Correct the mistakes. 1.when was invented the radio? 2.the book was wrote Pushkin?

Question

Correct the mistakes. 1.when was invented the radio? 2.the book was wrote Pushkin?

Answer 1

1.when was the radio invented? 2.the book was written by Pushkin. Или: Was the book written by Pushkin?

Answer 2

Actually, the correct way to write this:

1. When was the radio invented?

2. The book was written by Pushkin.