=>
1. get
2. light
3. for
4. on
5. school
6. finish
7. home
8. lunch
9. After
10. or

XIX/
1. Miss Hoa isn't Mai's teacher.
2. Don't forget to wash your hands before and after meals.
3. My sister can't sing Chinese songs.
4. Mrs Ba doesn't always wash her bike on Saturday mornings.
5. Beckham won't buy some new books next Friday.
6. Owen's shirt isn't new.
7. We shall not / shan't help that old man next SUnday morning.
8. Del Pierro isn't going to stay at home tomorrow night.
9. These boys don't get up early every morning.
10. Danh won't tell the story in a few days.

XVIII :

1 : get

2 : small

3 : to

4 : by

5 : school

6 : finish

7 : home

8 : lunch

9 : After

10 : I

XIX :

1 : Miss Hoa is not Mai's teacher.

2 : Don't forget to wash your hands before and after meals.

3 : My sister can't sing Chinese songs.

4 : Mrs Ba doesn't wash her bike on Saturday mornings.

5 : Beckham won't buy some new books next Friday.

6 : Owen's shirt is not new.

7 : We shall not help that old man next Sunday morning.

8 : Del Pierro is not going to stay at home tomorrow night.

9 : These boys don't get up early every morning.

10 : Danh won't not tell the story in a few days.