1. We ... listen to the radio every night. 2. Mr Johnson ... have a private office.
3. The boys ... study at the library every day. 4. These exercises ... seem very difficult.
5. The men ... always eat at that cafe.
6. That tall man ... work for this company. 7. The people ... speak English very well.
что именно надо делать? если ставить to be, то вот:
1. we are
2. is
3.. are
4. are
5. are
6. is