Ответ:

1) The museum hasn't been visited by tourists since 1990.

2) The date and time of the trip were arranged last week.

3) The city is considered the hottest place in the country.

4) Our plan is discussed carefully.

5) The tickets will be bought next Monday.

6) Her car is being repaired now.

7) The letter was sent by airmall and received on time.

8) The broken TV set was returned to the shop some days ago.

9) The house was being constructed when we arrived at the town.

10) Details are paid great attention.

Объяснение: