The flight was delayed by the storm,_____ the passengers had to wait at the airport. A: but B: or C: so D: for

The flight was delayed by the storm,_____ the passengers had to wait at the airport. A: ut B: o C: so D: fo

All flight ____ because of the snowstorm, many passengers could do nothing but stay at the airport. A: had been cancelled B: were cancelled C: having been cancelled D: have been cancelled

I missed the last flight, and decided （） to stay the night at the airport. A: however B: therefore C: moreover D: meanwhile

When a flight is overbooked, _____________. A: too many tickets were sold B: too many seats are free C: passengers can board the plane D: passengers have to pay more