11. Monopoly......... a market structure with only a single seller. a) am b) is c) are 12. Successful marketers a) am b) is c) are a) were b) was c) is 13. Marks & Spencer ...... the top brand in Britain in 1988. 14. Employment agencies you in finding a job. a) am b) is c) are .....…... open and flexible. 15. As long as foreigners American dollars, things remain stable. a) am b) is c) are it ? ********. a) Were b) Was c) Have been aimed at assisting 16. All staff ......... to wear uniforms. a) am b) is c) are 17. The customers ............ to wait here in this room until the sales manager return. willing to hold a) am b) is c) are 18.......... we to offer you the job, would you accept b) are. c) been. 19If we to succeed in this enterprise, we shall need to plan everything very carefully. a) am b) is c) are 20. to be" етiстiгiнiң дұрыс формасын танданыз. My grandfather... seventy. a) is. Answers Test № 1 Жауаптар Тест № 1​