1. They can play tennis. We can play table tennis.

=> they can play tennis and we can, too.
2. My father doesn't drink beer. My mother doesn't drink beer.

=> my father doesn't drink beer and my mother doesn't, either.
3.She is swimming in the pool. Her children are swimming in the pool.

=> she is swimming in the pool and her children are, too.

4. Hoa ate bread with milk for breakfast. Hoa's uncle ate bread with milk for breakfast.

=> hoa ate bread with milk for breakfast and hoa's uncle did, too.
5 My father didn't drink beer My uncle didn't drink beer (either)
=>My father didn't drink beer.Neither did my  uncle