Task 1:

1: a

2: d

3:d

4: b

5; c

Task 2: 

1: Lien doesn't like beef and neither do I

2: I ate milk and bread for breakfast this morning and so does my brother

3: Mrs. Oanh is going to the market and we are, too 

4:  She won't buy any eggs and they won't, either

5: Minh wasn't at home at night and neither was his parents 

6: Hoa can cook very well and her sister can, too

7: I didn't wash the spinach and neither did Ba

8: Nga hates peas and carrots and her aunt hates, too

9: These pineapples aren't ripe and neither are these bananas

10: Mr. Hoang prefers ice- cream and so do his children