Вместо пропусков вставьте глагол «to be» или «to have» в нужном времени 1. one of the beautiful cities in the world. 2. nick a black dog. 3. a student. 4. they my friends.

1. Moscow is one of the beautiful cities in the world. 2. Nick has a black dog. 3. I am a student. 4. They are my friends.

1.is,2.have,3.am,4.are