Fill in the blank in the correct form of verbs

57. They ( buy) some new pen yesterday.

58. Son (not watch) TV last night.

59. Mai and Nam ( go ) to the movie theater tomorrow evening.

Fill in the blank in the correct form of verbs.

1. Where you ...... (go) now ? -I...... (go) to the theater.

2. He ...... (not do) morning exercises regularly.

3. He ..... (do) morning exercises now ?

4. What you .... ( do) yesterday?

5. They ..... ( finish) their dinner half an hour ago.

6. Water ...... ( boil ) at 100 degrees centigrade.

7. The factory ...... ( begin) operation last year.

Write a passage about how you can keep your teeth well.