1. Where Mr. Lavrov? he is busy. he is now negotiating
2. I usually check my email in the morning.
3. What is the question you are discussing we discuss the terms of payment.
4. Our director is now taking business English firm .
5. We often discuss business matters by phone.
6. We do not schedule meetings with foreign partners on Saturday. On Saturday, we are not working.
7. Mr. Petrov office. He looks at the proposal of the English firm's telephone equipment.
8. Every day we receive a lot of mail.
Ну вроде так)