1. After you buy an airplane ticket, you must .......... once you arrive at the airport in order to confirm the flight and get a seat on the aircraft.

2. Sue is stressed out lately. I think she needs to .......... for a while. I suggested a cruise in the Bahamas.

3. Sally is wondering what time her husband's plane will .......... It was delayed in Colorado by a blizzard.

4. Ellie had to .......... in order to make the green light. She's usually a pretty good driver.

5. Randy was very nervous during his first flight lesson. Afterwards, he told me the best part was at the beginning, during .......... .

6. The stranded crew .......... for the long journey at 5 am. They needed as much natural light as they could get.

7. Headed into the city, the newlyweds thought they would .......... an old hangout for a quick drink because it was on the way.

8. Helen went to Italy this spring. Before she left the country, she decided to .......... in Tuscany for a while. She hasn't returned yet, because she likes it so much.

9. We drove to Canada this past summer. We had to .......... only four times on the way. We got pretty good gas mileage.

10. Adriana has to .......... because her flight is leaving in ten minutes.