Выберите правильную форму
Choose the right form of the verb.
1. Our class (is/are) having a test now.
2. Our team (is/are) one of the winners in school Olympiad.
3. The police (is/are) catching the robbers now.
4. My family (is/are) having dinner now.
5. At present our company (is/are) the most successful one.