Fill in suitable words from your active vocabulary: 1. May I ... you back to my earlier remarks on this subject?
2. If the ... surface is fairly old and extremely slick, make a mixture of
water and alcohol to brighten the surface.
3. ... also refers to a system of pipes and fixtures installed in a building
for the distribution of potable water and the removal of waterborne wastes.
4. Materials for ... interior electrical systems in buildings vary depen-
ding on type of occupancy and size of the building.
5. Modern construction techniques now rarely use wood building frames
and solid ... are used almost exclusively for their appearance.
6. This spot of ... has spoiled the whole appearance.
7. He was a good friend, a ... companion.
8. You must not use detergents that contain soap as well as you must
not ... the surface with the substances covering the surface (wax, polymer, etc.).

No.1

1. My family is friendly.

Is my family friendly?

My family isn't friendly

2. She is my sister

Is she my sister?

She isn't my sister

3. Father is a doctor

Is the father a doctor?

Father isn't a doctor

4.Parents are going to walk

Are parents going to walk?

Parents aren't going to walk

5. He is a teacher

Is he a teacher?

He isn't a teacher

6.Brother is at school

Is brother is at school?

Brother isn't at school

No.2

1. Sally goes to school

Does Sally go to school?

Sally doesnt go to school

2. Granny cooks tasty things

Does granny cook tasty things?

Granny doesn't cook tasty things

3.We talk in the park every day

Do we talk in the park every day?

We don't talk in the park every day

4. Sister speaks Spanish well

Does sister speak spanish well?

Sister doesn't speak Spanish

5. I study in university

Do i study in university?

I don't study in university

6. My mother works in the garden every weekdays

Does my mother work in the garden every weekdays?

My mother doesn't work in the garden every weekdays

7.Children play in the yard every evening

Do children play in the yard every evening?

Children don't play in the yard every evening

8.Tim writes an artisle every evening

Does Tim write an articles every evening?

Tim don't write an articles every evening

No.3

No.4

My brother feedshis dog

Do my brother feed his dog

My brother don't feed his dog