1. My sister doesn’t want another ice-cream and I do either. ( X )

 do - don't 

2. I will go the park tomorrow and my sister will go to the park too. ( √ )

3. My favourite band is The Beatles and his favourite band is The Beatles either. ( X )

either - too

4. The apples in our garden are ripe and the oranges won’t ripe too. ( X )

won't - are

5. My favourite drink is hot cacao. My friend’s favourite drink is beer too. ( X )

beer - hot cacao

6. My wife doesn’t like doing housework and I don’t either. ( √ )

7. I want to be a musician but my sister wants to be an actor either. ( X ) 

either - X ( bỏ )

8. My essay didn’t get good mark. Tom’s essay doesn’t either. ( X ) 

doesn't - didn't