Ex 3. Điền thêm Too, So, Either, Neither vào chỗ trống:

1. I am a student, and Mary is, ___too______ .

 2. I am twenty, and __either_____ is Peter.

3. My sister can swim and __so_______ can I. 

4. We can sing, and __so_______ can they.

5. Peter likes tea, and I do, _too_______ . 

6. We play tennis, and ________ do they.

7. - I can cook.  - I can, ________ .