Помогите пжл! Очень надо в английском вообще не шарю! Раскройте скобки,…

1. We didn't have to take a taxi because we had a lot of time before the plane took off.2. I don't think we will be able to check the prices just after the meeting.3. Our president is to sign the contract with the British firm at 10 o'clock today.4. The president said during the talks that they weren't able to reduce their prices for the goods.5. Do you have to get the materials ready right away? 6. Mr. Camp couldn't wait any longer as he was to go to the airport in an hour.7. Did you have to reserve a room in advance to get accommodation at the hotel last month?