12 упражнение пожалуйста помогите , очень нужно завтра экзамены

1. Time is often spent together by my relatives.

2. Mathematics is usually taught in school.

3. A museum was visited last Sunday.

4. Friend will be met near the university tomorrow.

5. My new friends will be introduced to my parents tomorrow.

6. A custom-house for the examination of foreign goods was set up in 1749.

7. The custom-house was replaced by the fortress in 1761.

8. The Don river is usually nicknamed as "Father Don" by the inhabitants.

9. Rostov-on-Don is always called the gateway to Caucasus.

10. That church will be restored next year.