Вставьте предлоги, где это необходимо. 1. you sent … (1) us a bill … (2) the wrong goods. 2. i am interested … (3) purchasing … (4) a large quantity … (5) your simplex cameras. 3. she arrives half an hour late … (6) work every day. 4. i have not yet received a reply … (7) my letter. 5. it is now over seven months since we placed the above order … (8) you and we are still waiting …(9) the linton filing cabinets. 6. i am writing in connection … (10) your contract to clean our offices.