3. It is Impossible: 4. It would be in politul 5. My brother Joseph can be

3. Это Impossible:

4. Это было бы in politul

5. Мой брат Джозеф может быть

possible - impossible

polite - impolite

responsible - irresponsible

3. It is impossible for you to finish the project on time.

4. It would be impolite of me to pretend enjoying going out with David.

5. My brother Joseph can be irresponsible at times.

Ответ: смотри решение выше