подберите однокоренные слова звон

 Образуйте специальные вопросы к подчёркнутым словам. 

1) There are a lot of modern comfortable buildings in our cities and towns.

2) Their brothers arrived in Moscow the day before yesterday.

3) He is a part-time second-year student.

4) Tom studies many specialized subjects in the University.

5) We are standing at the door this moment.