1. Shall/can I offer you a cup of tea?
2. Must I go to the office every day? – No, you needn't.
3. When can you look through it? или When will you be able tolook through it?
4. Why are you so late? – Because I have had to phone the British company.
5. –Why did Mt. Smith go to London last month? – He was to sign a contract there.
6. We received your offer 5 days ago and we could not study it.
7. You are to contact Blake & Co next Monday.