1. May I I offer you a cup of tea?
2. – Do I have to go to the office every day?
– No, you don’t.
3. – May I invite businessmen to the conference room?
– No, you may not. It must be cleaned.
4. When could you look it through?
5. –– Why are you so late?
– Because I had to phone the British company.
6. – Why did Mr. Smith go to London last month month?
– He was there to sign a contract.
7. If the manager doesn’t have to stay late at the head office today he will be able to meet Mr. Smith.
8. We received your offer 5 days ago and we couldn’t study it.
9. Who can make good coffee?
10. You are to contact Blake & Co next Monday. (ìîæíî åùå è will have to èëè should)