Choose the correct option. 1) My friends visited Scotland and Northern Ireland .... (as well/ also) 2) The Tower of London is not a fortress now, it is not a prison now.... (too / either) 3) We didn't get into the Tower during our stay in London .... (as well / either)

Solution:

1. My friends visited Scotland and Northern Ireland as well. ( 'as well' is used at the end of a sentence to mean 'too' or 'also' when referring to something already mentioned or understood.)
2. The Tower of London is not a fortress now, it is not a prison now... either. ('either' is used in negative sentences to mean 'also' or 'too').
3. We didn't get into the Tower during our stay in London either. ('either' is used in negative sentences to mean 'also' or 'too').

Answer: 1. as well, 2. either, 3. either