. — Flight 551 for Dalas ______. I must be off now. — Have a pleasant trip then.
Launched in March 2010, China Face has been a daily news feature ________ on a Chinese individual.
We entered the café and sat down by the window, waiting ________.
With so many exercises ________, the students are having a hard time.
Whom do you expect to have ________ the baggage to the airport?
The airport is far from here, and ________ there on time, you'd better take a taxi.