Закончите следующие предложения: 1. we haven’t signed contracts with barton & . co. since (to do business with them last year). 2. (not to since their representative left moscow. 3. we usually contact our buyers (to receive their enquiries). 4. our director (to clear u p tomorrow). 5 .1 (not to leave next week). 6. i’m afraid (not to give our final answer tomorrow). 7. do the buyers know when (to ship the goods)? 8. let us know what (to require). 9. we are afraid (not to join you in half an hour). 10. when i phoned my director, h (to discuss).