1 Neither my friend nor I like this music. We often go to rock concerts.
но можно еще так:
Both my friend and I like this music...
2 I didn’t like the new book. It was neither interesting nor useful.
3 Granny promised me a tasty desert. It will be either a chocolate cake or an apple pie.
4 No, thank you. I will have neither tea nor coffee.
5 The hotel was perfect. The room was both comfortable and clean.
3
1 My friend likes neither opera nor ballet.
2 These guys don't speak either English or German.
3 Both my friend and I have seen that film already.