Complete the questions with was there or were there. then write true answers. 1 a nuclear bomb? 2 any great invention? 3 a roman invasion? 4 a civil war in russia?

1 Was there a nuclear bomb? No, there wasn't.
2 Was there any great invention? Yes, there was.
3 Was there a Roman invasion? No, there wasn't.
4 Was there a civil war in Russia? Yes, there was.