In 1869 the first water polo match was played. In 1886 police officers started to learn judo.
The first skates appeared in Holland in the 13-14th centuries. переделать в пассивным залог с использованием been в сказуемом.

Traveling really does improve ones personal understanding and look deep in to the culture of the people.it imprves ur personal skills, selfconfidance and the way to communicate with peoples of different areas and countries.in even same country u have dozzons of diffrent type of local; traditions and way of living. i have been to europe, middle east and china and to be honest its does improve ur understanding to the people u r visiting and to their culture and traditions and u do learn alot from them.

1. Nina celebrated her birthday yesterday. Her room looked beautiful, there were many flowers in it. When I came in, somebody was playing the piano, two or three pairs were dancing.

2. Look at these children! They are skating very well.

3. — Will you skate tomorrow?
— Yes, I will be skating from 3 till 5 in the afternoon.

4. He didn't come last Monday. Was he busy?

5. When did you come yesterday?

6. — Where were you yesterday?
— I was at home.
— I rang you up at two o'clock, but nobody answered.
— Oh, I was in the garden, I was reading a book and didn't hear the telephone.

7. She goes to school every day.


Пояснения:

1. Past Simple; Past Simple; Past Simple; Past Simple; Past Continuous; Past Continuous.
2. Present Continuous.
3. Future Simple; Future Continuous.
4. Past Simple; Past Simple.
5. Past Simple.
6. Past Simple; Past Simple; Past Simple; Past Simple; Past Simple; Past Continuous; Past Simple.

Примечание:

Indefinite и Simple — одно и то же.