---Would you have helped her had it been possible? ---Yes, but I __________ busy with my work.
As he approached the door, Mike looked into the room again to see if he ________ anything behind.
—That must have been a terrifying experience. —Yeah. I ________ in the damaged car, unable to move.
Although my sweater is a bit expensive, it ________ well.
The woman sitting next to me ________ very nervous, for she had never travelled by air.
—Are these seats available? —Sorry, sir. The seats ________.