`27`. I ate milk and bread for breakfast this morning. (my brother)

=> I ate milk and bread for breakfast this morning and my brother did, too.

=> I ate milk and bread for breakfast this morning and so did my brother.

`28`. Minh wasn't at home last night. (his parents)

=> Minh wasn't at home last night and his parents weren't, either.

=> Minh wasn't at home last night and neither were his parents.

`29`. Hoa can cook very well. (her sister)

=> Hoa can cook very well and her sister can, too.

=> Hoa can cook very well and so can her sister. 

`30`. She won't buy any eggs. (they)

=> She won't buy any eggs and they won't, either.

=> She won't buy any eggs and neither will they.

`31`. Nga hates peas and carrots. (her aunt)

=> Nga hates peas and carrots and her aunt hates, too.

=> Nga hates peas and carrots and so does her aunt.

27. I ate milk and bread for breakfast this morning. (my brother)

=> I ate milk and bread for breakfast this morning and my brother did, too.

=> I ate milk and bread for breakfast this morning and so did my brother.

28. Minh wasn't at home last night. (his parents)

=> Minh wasn't at home last night and his parents weren't, either.

=> Minh wasn't at home last night and neither were his parents.

29. Hoa can cook very well. (her sister)

=> Hoa can cook very well and her sister can, too.

=> Hoa can cook very well and so can her sister. 

30. She won't buy any eggs. (they)

=> She won't buy any eggs and they won't, either.

=> She won't buy any eggs and neither will they.

31. Nga hates peas and carrots. (her aunt)

=> Nga hates peas and carrots and her aunt hates, too.

=> Nga hates peas and carrots and so does her aunt.