Select the word segment that substitutes (replaces) the bracketed word segment correctly and completes the sentence meaningfully. Select the option 'no correction required if the sentence is correct as given.
Rusty's own house (back at Berlin do not even have) a name: it was just called number four.
1
back on Berlin didn't have
2
No correction required
3
back in Berlin didn't even have
4
back at Berlin doesn't even have