Ответ:

1 The Tower of Pisa was constructed as the bell tower for the city cathedral.

2 The Tower was built on the soft ground.

3 Since then it has been reinforced to correct this.

4 Pisa is visited by tourists every year.

5 The leaning of the Tower can be seen by the tourists.

6 Our attention will be attracted by the Tower of Pisa for many years.

Объяснение:

Ответ:

1) The Tower of Pisa had been constructed (by people) as the bell tower for the city cathedral.

2) The Tower had been built (by builders) on the soft ground.

3) Since then it had been reinforced to correct by architects.

4) Pisa is visited by tourists every year

5) The leaning of the Tower is being seen by tourists.

6) Our attention will be attracted by the Tower of Pisa for many years.

Объяснение: